{"id":"CVE-2026-122326","title":"Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents","summary":"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…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"Chevereto","product":"Chevereto","affected":["Chevereto < 4.5.8"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-05T20:42:57.358138Z"},"exploitAvailable":true,"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:43:13.248Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-122326","references":[{"url":"https://github.com/chevereto/chevereto/issues/136"},{"url":"https://github.com/chevereto/chevereto/blob/4.5.7/app/legacy/routes/json.php#L336-L410"},{"url":"https://github.com/chevereto/chevereto/blob/4.5.7/app/src/Legacy/Classes/Listing.php#L834-L885"},{"url":"https://github.com/chevereto/chevereto/commit/fe56eb789ecf5e26c84068ba7d88b7a20ea65f5c"},{"url":"https://github.com/chevereto/chevereto/releases/tag/4.5.8","label":"Chevereto 4.5.8 Release Notes"},{"url":"https://hackmd.io/@hieund/chevereto-get-album-contents-private-album-image-disclosure"},{"url":"https://github.com/chevereto/chevereto"},{"url":"https://www.vulncheck.com/advisories/chevereto-before-4.5.8-private-album-image-disclosure-via-get-album-contents","label":"VulnCheck Advisory: Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-05T22:38:31.875Z","epss":0.00522,"epssPercentile":0.44526,"slug":"CVE-2026-122326","body":"## Overview\n\nChevereto 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.\n\n## Affected\n\n- `Chevereto < 4.5.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}