CVE-2026-122326: medium-severity vulnerability in Chevereto
Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.5%
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.
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
Affected products
Chevereto · Cheveretopublic PoCs found — 1
cve_referencehackmd.io/@hieund/cve-2026-122326-chevereto-get-album-contents-private-album-image-disclosureunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/chevereto/cheveretohttps://github.com/chevereto/chevereto/blob/4.5.7/app/legacy/routes/json.php#L336-L410https://github.com/chevereto/chevereto/blob/4.5.7/app/src/Legacy/Classes/Listing.php#L834-L885https://github.com/chevereto/chevereto/commit/fe56eb789ecf5e26c84068ba7d88b7a20ea65f5chttps://github.com/chevereto/chevereto/issues/136https://github.com/chevereto/chevereto/releases/tag/4.5.8https://hackmd.io/@hieund/chevereto-get-album-contents-private-album-image-disclosurehttps://hackmd.io/@hieund/cve-2026-122326-chevereto-get-album-contents-private-album-image-disclosurehttps://www.vulncheck.com/advisories/chevereto-before-4.5.8-private-album-image-disclosure-via-get-album-contents