{"id":"CVE-2025-46553","aliases":["EUVD-2025-13413","GHSA-7899-w6c4-vqc4"],"status":"published","title":"@misskey-dev/summaly Redirect Filter Bypass","description":"@misskey-dev/summaly is a tool for getting a summary of a web page. Starting in version 3.0.1 and prior to version 5.2.1, a logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced. Misskey will follow redirects, despite explicitly requesting not to. Version 5.2.1 contains a patch for the issue.","severity":{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00264,"percentile":0.18523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601","CWE-665","CWE-669","CWE-693"],"published":"2025-05-05T17:03:20Z","modified":"2026-10-28T02:31:03Z","fixes":[{"ecosystem":"npm","package":"@misskey-dev/summaly","fixed_in":["5.2.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@misskey-dev/summaly","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.1"},{"fixed":"5.2.1"}]}]},{"source":"osv","ecosystem":"npm","package":"@misskey-dev/summaly","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.1"},{"fixed":"5.2.1"}]}]}],"products":[{"vendor":"misskey","product":"summaly"},{"vendor":"misskey-dev","product":"summaly"}],"references":[{"url":"https://github.com/misskey-dev/summaly/security/advisories/GHSA-7899-w6c4-vqc4","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/misskey-dev/summaly/commit/45153b4f08a772c395a13f7a25399dd87ed022ed","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-46553","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7899-w6c4-vqc4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/46xxx/CVE-2025-46553.json","tags":["advisory"]},{"url":"https://github.com/misskey-dev/summaly","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-46553","title":"@misskey-dev/summaly Redirect Filter Bypass","description":"@misskey-dev/summaly is a tool for getting a summary of a web page. Starting in version 3.0.1 and prior to version 5.2.1, a logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced. Misskey will follow redirects, despite explicitly requesting not to. Version 5.2.1 contains a patch for the issue.","status":"published","published":"2025-05-05T18:28:50.216Z","modified":"2025-05-05T18:50:42.815Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P","level":"low","assessor":"cna"}],"cwes":["CWE-693","CWE-601","CWE-665","CWE-669"],"updated_at":"2026-11-02T14:32:36.706507Z"}],"euvd":[{"id":"EUVD-2025-13413","description":"@misskey-dev/summaly is a tool for getting a summary of a web page. Starting in version 3.0.1 and prior to version 5.2.1, a logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced. Misskey will follow redirects, despite explicitly requesting not to. Version 5.2.1 contains a patch for the issue.","status":"published","published":"2025-05-05T18:28:50Z","modified":"2025-05-05T18:50:42Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P","level":"low"}],"updated_at":"2026-11-02T20:32:55.242615Z"}],"ghsa":[{"id":"GHSA-7899-w6c4-vqc4","title":"@misskey-dev/summaly Redirect Filter Bypass","description":"### Summary\nA logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced.\n\n### Details\nIn the main `summaly` function, a new `scrapingOptions` object is created and passed to either the matched plugin, if any, or the default summarize function. The issue here is that the new `scrapingOptions` object is not provided the `allowRedirects` property of `opts`.\n\n### PoC\n- Publish a post containing a link to any URL that redirects on Misskey.\n- A preview will be generated for the target of the redirect, despite Misskey passing `allowRedirects: false`.\n\n### Impact\nMisskey will follow redirects, despite explicitly requesting not to.","status":"published","published":"2025-05-05T17:03:20Z","modified":"2025-05-05T22:06:42Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-601","CWE-665","CWE-669","CWE-693"],"updated_at":"2026-11-02T14:38:42.263728Z"}],"nvd":[{"id":"CVE-2025-46553","description":"@misskey-dev/summaly is a tool for getting a summary of a web page. Starting in version 3.0.1 and prior to version 5.2.1, a logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced. Misskey will follow redirects, despite explicitly requesting not to. Version 5.2.1 contains a patch for the issue.","status":"published","published":"2025-05-05T19:15:56.763Z","modified":"2026-06-17T09:26:37.16Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601","CWE-665","CWE-669","CWE-693"],"updated_at":"2026-11-02T14:11:04.33372Z"}],"osv":[{"id":"CVE-2025-46553","title":"@misskey-dev/summaly Redirect Filter Bypass","description":"@misskey-dev/summaly is a tool for getting a summary of a web page. Starting in version 3.0.1 and prior to version 5.2.1, a logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced. Misskey will follow redirects, despite explicitly requesting not to. Version 5.2.1 contains a patch for the issue.","status":"published","published":"2025-05-05T18:28:50.216Z","modified":"2026-10-28T02:31:03.677725712Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-601","CWE-665","CWE-669","CWE-693"],"updated_at":"2026-11-02T15:44:49.707645Z"},{"id":"GHSA-7899-w6c4-vqc4","title":"@misskey-dev/summaly Redirect Filter Bypass","description":"### Summary\nA logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced.\n\n### Details\nIn the main `summaly` function, a new `scrapingOptions` object is created and passed to either the matched plugin, if any, or the default summarize function. The issue here is that the new `scrapingOptions` object is not provided the `allowRedirects` property of `opts`.\n\n### PoC\n- Publish a post containing a link to any URL that redirects on Misskey.\n- A preview will be generated for the target of the redirect, despite Misskey passing `allowRedirects: false`.\n\n### Impact\nMisskey will follow redirects, despite explicitly requesting not to.","status":"published","published":"2025-05-05T17:03:20Z","modified":"2025-05-05T22:06:39Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-601","CWE-665","CWE-669","CWE-693"],"updated_at":"2026-11-02T15:46:40.657155Z"}]}}