{"id":"CVE-2024-36402","aliases":["EUVD-2025-0094","GHSA-8vmr-h7h5-cqhg","GO-2025-3397","SUSE-SU-2025:0297-1","openSUSE-SU-2025:14704-1"],"status":"published","title":"Unauthenticated writes to the media repository allow planting of problematic content in Matrix Media Repo","description":"Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. MMR 1.3.5 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector. Though extremely limited, server operators can use more strict rate limits based on IP address as a partial workaround.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00564,"percentile":0.47347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2025-01-16T19:05:01Z","modified":"2026-10-28T02:31:06Z","fixes":[{"ecosystem":"Go","package":"github.com/t2bot/matrix-media-repo","fixed_in":["1.3.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/t2bot/matrix-media-repo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/t2bot/matrix-media-repo","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/t2bot/matrix-media-repo","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP6","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250128T150132-150000.1.29.1"}]}],"bundled":33},{"source":"osv","ecosystem":"openSUSE:Leap 15.6","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250128T150132-150000.1.29.1"}]}],"bundled":33},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250117T214834-1.1"}]}],"bundled":10}],"products":[{"vendor":"t2bot","product":"matrix-media-repo"}],"references":[{"url":"https://github.com/t2bot/matrix-media-repo/security/advisories/GHSA-8vmr-h7h5-cqhg","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/matrix-org/matrix-spec-proposals/pull/3916","tags":["x_refsource_MISC","Issue Tracking","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36402","tags":["advisory"]},{"url":"https://pkg.go.dev/vuln/GO-2025-3397","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8vmr-h7h5-cqhg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36402.json","tags":["advisory"]},{"url":"https://github.com/t2bot/matrix-media-repo","tags":["package"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20250297-1/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2024-11218","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-36402","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-36403","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45336","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45339","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45340","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45341","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-51491","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-52281","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-52594","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-52602","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-52791","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-53263","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56138","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56323","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56515","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0377","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-20033","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-20086","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-20088","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-20621","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-21088","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22149","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22445","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22449","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-22865","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-23028","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-23047","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-23208","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24030","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24337","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24354","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24355","tags":["web"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-36402","title":"Unauthenticated writes to the media repository allow planting of problematic content in Matrix Media Repo","description":"Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. MMR 1.3.5 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector. Though extremely limited, server operators can use more strict rate limits based on IP address as a partial workaround.","status":"published","published":"2025-01-16T19:19:19.373Z","modified":"2025-02-12T20:31:21.273Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:34:14.649724Z"}],"euvd":[{"id":"EUVD-2025-0094","description":"Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. MMR 1.3.5 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector. Though extremely limited, server operators can use more strict rate limits based on IP address as a partial workaround.","status":"published","published":"2025-01-16T19:19:19Z","modified":"2025-02-12T20:31:21Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:03:56.514594Z"}],"ghsa":[{"id":"GHSA-8vmr-h7h5-cqhg","title":"matrix-media-repo (MMR) allows unauthenticated writes to the media repository, which may allow planting of problematic content","description":"### Impact\n\nMMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository.\n\n### Patches\n\nMMR 1.3.5 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector.\n\n### Workarounds\n\nThough extremely limited, server operators can use more strict rate limits based on IP address.\n\n### References\n\nhttps://github.com/matrix-org/matrix-spec-proposals/pull/3916","status":"published","published":"2025-01-16T19:05:01Z","modified":"2025-08-20T19:13:43Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:38:54.795089Z"}],"nvd":[{"id":"CVE-2024-36402","description":"Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. MMR 1.3.5 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector. Though extremely limited, server operators can use more strict rate limits based on IP address as a partial workaround.","status":"published","published":"2025-01-16T20:15:32.047Z","modified":"2026-06-17T07:36:38.993Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:10:42.895329Z"}],"osv":[{"id":"CVE-2024-36402","title":"Unauthenticated writes to the media repository allow planting of problematic content in Matrix Media Repo","description":"Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. MMR 1.3.5 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector. Though extremely limited, server operators can use more strict rate limits based on IP address as a partial workaround.","status":"published","published":"2025-01-16T19:19:19.373Z","modified":"2026-10-28T02:31:06.880483219Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:44:40.704083Z"},{"id":"GHSA-8vmr-h7h5-cqhg","title":"matrix-media-repo (MMR) allows unauthenticated writes to the media repository, which may allow planting of problematic content","description":"### Impact\n\nMMR before version 1.3.5 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository.\n\n### Patches\n\nMMR 1.3.5 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector.\n\n### Workarounds\n\nThough extremely limited, server operators can use more strict rate limits based on IP address.\n\n### References\n\nhttps://github.com/matrix-org/matrix-spec-proposals/pull/3916","status":"published","published":"2025-01-16T19:05:01Z","modified":"2025-08-20T19:13:42Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:42.78452Z"},{"id":"GO-2025-3397","title":"matrix-media-repo (MMR) allows unauthenticated writes to the media repository, which may allow planting of problematic content in github.com/t2bot/matrix-media-repo","description":"matrix-media-repo (MMR) allows unauthenticated writes to the media repository, which may allow planting of problematic content in github.com/t2bot/matrix-media-repo","status":"published","published":"2025-01-16T21:49:03Z","modified":"2026-03-03T04:57:09.574916Z","updated_at":"2026-11-02T15:47:01.728182Z"},{"id":"openSUSE-SU-2025:14704-1","title":"govulncheck-vulndb-0.0.20250117T214834-1.1 on GA media","description":"These are all security issues fixed in the govulncheck-vulndb-0.0.20250117T214834-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-01-28T00:00:00Z","modified":"2026-02-04T02:37:02.613621Z","updated_at":"2026-11-02T16:58:36.976155Z"},{"id":"SUSE-SU-2025:0297-1","title":"Security update for govulncheck-vulndb","description":"This update for govulncheck-vulndb fixes the following issues:\n\n- Update to version 0.0.20250128T150132 2025-01-28T15:01:32Z.\n  Refs jsc#PED-11136\n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3409 CVE-2025-23208 GHSA-c9p4-xwr9-rfhx\n  * GO-2025-3410 CVE-2025-24337 GHSA-3qc3-mx6x-267h\n  * GO-2025-3413 CVE-2025-0377 GHSA-wpfp-cm49-9m9q\n  * GO-2025-3414 CVE-2024-11218 GHSA-5vpc-35f4-r8w6\n  * GO-2025-3415 CVE-2025-23028 GHSA-9m5p-c77c-f9j7\n  * GO-2025-3416 CVE-2025-23047 GHSA-h78m-j95m-5356\n  * GO-2025-3418 CVE-2025-24030 GHSA-j777-63hf-hx76\n  * GO-2025-3419 CVE-2025-24355 GHSA-v34r-vj4r-38j6\n  * GO-2025-3422 CVE-2025-24354\n\n- Update to version 0.0.20250128T004730 2025-01-28T00:47:30Z.\n  Refs jsc#PED-11136\n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3372 CVE-2024-45339\n  * GO-2025-3373 CVE-2024-45341\n  * GO-2025-3383 CVE-2024-45340\n  * GO-2025-3420 CVE-2024-45336\n  * GO-2025-3421 CVE-2025-22865\n\n- Update to version 0.0.20250117T214834 2025-01-17T21:48:34Z.\n  Refs jsc#PED-11136\n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3392 CVE-2025-20086 GHSA-5m7j-6gc4-ff5g\n  * GO-2025-3393 CVE-2025-21088 GHSA-8j3q-gc9x-7972\n  * GO-2025-3394 CVE-2025-20088 GHSA-45v9-w9fh-33j6\n  * GO-2025-3396 CVE-2024-52594\n  * GO-2025-3397 CVE-2024-36402 GHSA-8vmr-h7h5-cqhg\n  * GO-2025-3398 CVE-2024-52791 GHSA-gp86-q8hg-fpxj\n  * GO-2025-3399 CVE-2024-52602 GHSA-r6jg-jfv6-2fjv\n  * GO-2025-3400 CVE-2024-56515 GHSA-rcxc-wjgw-579r\n  * GO-2025-3401 CVE-2024-36403 GHSA-vc2m-hw89-qjxf\n  * GO-2025-3407 CVE-2025-20621 GHSA-w6xh-c82w-h997\n\n- Update to version 0.0.20250115T172141 2025-01-15T17:21:41Z.\n  Refs jsc#PED-11136\n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3381 CVE-2024-56138 GHSA-45v3-38pc-874v\n  * GO-2025-3382 CVE-2024-51491 GHSA-qjh3-4j3h-vmwp\n  * GO-2025-3384 CVE-2024-56323 GHSA-32q6-rr98-cjqv\n  * GO-2025-3390 CVE-2024-53263 GHSA-q6r2-x2cc-vrp7\n  * GO-2025-3391 CVE-2024-52281 GHSA-2v2w-8v8c-wcm9\n\n- Update to version 0.0.20250109T194159 2025-01-09T19:41:59Z.\n  Refs jsc#PED-11136\n  Go CVE Numbering Authority IDs added or updated with aliases:\n  * GO-2025-3376 CVE-2025-22149 GHSA-675f-rq2r-jw82\n  * GO-2025-3377 CVE-2025-22449 GHSA-q8fg-cp3q-5jwm\n  * GO-2025-3379 CVE-2025-20033 GHSA-2549-xh72-qrpm\n  * GO-2025-3380 CVE-2025-22445 GHSA-7rgp-4j56-fm79\n","status":"published","published":"2025-01-30T14:03:37Z","modified":"2026-02-05T11:21:44.836869Z","updated_at":"2026-11-02T15:53:57.111474Z"}]}}