{"id":"CVE-2026-122326","summary":"Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents","details":"Chevereto before 4.5.8 contains an authorization bypass vulnerability in the get-album-contents action of the /json route that allows unauthenticated attackers to list private albums by supplying another user's album id. Attackers with a session token from any public page and an album's encoded id can obtain image filenames, viewer and direct file URLs, and download private images.","modified":"2026-11-05T21:32:22.907109689Z","published":"2026-11-05T15:11:44.791Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122326.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-639"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122326.json"},{"type":"PACKAGE","url":"https://github.com/chevereto/chevereto"},{"type":"ARTICLE","url":"https://github.com/chevereto/chevereto/blob/4.5.7/app/legacy/routes/json.php#L336-L410"},{"type":"ARTICLE","url":"https://github.com/chevereto/chevereto/blob/4.5.7/app/src/Legacy/Classes/Listing.php#L834-L885"},{"type":"FIX","url":"https://github.com/chevereto/chevereto/commit/fe56eb789ecf5e26c84068ba7d88b7a20ea65f5c"},{"type":"REPORT","url":"https://github.com/chevereto/chevereto/issues/136"},{"type":"ADVISORY","url":"https://github.com/chevereto/chevereto/releases/tag/4.5.8"},{"type":"ADVISORY","url":"https://hackmd.io/@hieund/chevereto-get-album-contents-private-album-image-disclosure"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122326"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/chevereto-before-4.5.8-private-album-image-disclosure-via-get-album-contents"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/chevereto/chevereto","events":[{"introduced":"0"},{"fixed":"fe56eb789ecf5e26c84068ba7d88b7a20ea65f5c"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0"},{"fixed":"4.5.8"}],"source":"AFFECTED_FIELD"},{"range":[{"fixed":"fe56eb789ecf5e26c84068ba7d88b7a20ea65f5c"}],"source":"REFERENCES_COMMIT"},{"source":"REFERENCES_TAG","original_tag":"4.5.8","range":[{"fixed":"fe56eb789ecf5e26c84068ba7d88b7a20ea65f5c"}]}]}}],"versions":["4.5.7","4.5.6","4.5.5","4.5.4","4.5.3","4.5.2","4.5.1","4.5.0","4.4.2","4.4.1","4.4.0","4.3.7","4.3.6","4.3.5","4.3.4","4.3.3","4.3.2","4.3.1","4.3.0","4.2.5","4.2.4","4.2.3","4.2.2","4.2.1","4.2.0","4.1.4","4.1.3","4.1.2","4.1.1","4.1.0","4.0.12","4.0.11","4.0.10","4.0.9","4.0.8","4.0.7","4.0.6","4.0.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-122326.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}