{"id":"CVE-2026-27833","aliases":["EUVD-2026-18870","GHSA-397m-gfhm-pmg2"],"status":"published","title":"Piwigo: Unauthenticated Information Disclosure via pwg.history.search API","description":"Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01641,"percentile":0.76714,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-04-03T21:34:11Z","modified":"2026-10-28T02:30:36Z","exploits":[{"source":"nuclei","id":"CVE-2026-27833","title":"Piwigo \u003c 16.3.0 - Unauthenticated Information Disclosure via History API","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-27833.yaml"}],"products":[{"vendor":"piwigo","product":"piwigo"}],"references":[{"url":"https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1c","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://piwigo.org/release-16.3.0","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27833.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27833","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-27833","title":"Piwigo: Unauthenticated Information Disclosure via pwg.history.search API","description":"Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.","status":"published","published":"2026-04-03T21:34:11.425Z","modified":"2026-04-06T18:55:09.077Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:48.826324Z"}],"euvd":[{"id":"EUVD-2026-18870","description":"Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.","status":"published","published":"2026-04-03T21:34:11Z","modified":"2026-04-06T18:55:09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:25:15.380284Z"}],"nvd":[{"id":"CVE-2026-27833","description":"Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.","status":"published","published":"2026-04-03T22:16:25.863Z","modified":"2026-07-24T22:10:00.14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:13.1424Z"}],"osv":[{"id":"CVE-2026-27833","title":"Piwigo: Unauthenticated Information Disclosure via pwg.history.search API","description":"Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.","status":"published","published":"2026-04-03T21:34:11.425Z","modified":"2026-10-28T02:30:36.31723928Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:00.180685Z"}]}}