{"id":"CVE-2026-27833","summary":"Piwigo: Unauthenticated Information Disclosure via pwg.history.search API","details":"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.","aliases":["GHSA-397m-gfhm-pmg2"],"modified":"2026-08-07T11:50:43.480236221Z","published":"2026-04-03T21:34:11.425Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27833.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-862"]},"references":[{"type":"WEB","url":"https://piwigo.org/release-16.3.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27833.json"},{"type":"ADVISORY","url":"https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27833"},{"type":"FIX","url":"https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/piwigo/piwigo","events":[{"introduced":"0"},{"fixed":"69f1f76192e6e692f575a5f79c194655dee2d5ca"},{"fixed":"d05c16561ce3692ca922199f8c8d7b1a45893f1c"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"16.3.0"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:piwigo:piwigo:*:*:*:*:*:*:*:*"}}],"versions":["16.2.0","16.1.0","16.0.0","16.0.0RC3","16.0.0RC2","16.0.0RC1","16.0.0beta2","16.0.0beta1","15.0.0beta3","15.0.0beta2","15.0.0beta1","14.0.0RC2","14.0.0RC1","14.0.0beta3","14.0.0beta2","14.0.0beta1","13.0.0RC4","13.0.0RC3","13.0.0RC2","13.0.0RC1","13.0.0beta2","13.0.0beta1","12.0.0RC2","12.0.0RC1","12.0.0beta2","12.0.0beta1","2.11.0beta4","2.11.0beta3","2.11.0beta2","2.11.0beta1","2.10.0RC1","2.10.0beta2","2.10.0beta1","2.9.0RC2","2.9.0RC1","2.9.0beta2","2.9.0beta1","2.8.0RC2","2.8.0RC1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27833.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}