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CVE-2026-122326Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents
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.
6.9 MEDIUMEPSS 0.52%Not in KEVNVD: Received
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 6.9 | MEDIUM | 4.0VulnCheck (CNA) | 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 |
| 5.3 | MEDIUM | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Details
- CVE ID
- CVE-2026-122326
- Status
- Received
- Assigner (CNA)
- VulnCheck
- Published
- Nov 5, 2026
- Last modified
- 2026-11-05 21:18 UTC
- Weaknesses
- CWE-639 · Authorization Bypass Through User-Controlled Key
Affected Products
As published by the CNA in the CVE record.
CheveretoChevereto1 version range
- before 4.5.8
References
- github.com https://github.com/chevereto/chevereto
- github.com https://github.com/chevereto/chevereto/blob/4.5.7/app/legacy/routes/json.php#L336-L410
- github.com https://github.com/chevereto/chevereto/blob/4.5.7/app/src/Legacy/Classes/Listing.php#L834-L885
- github.com https://github.com/chevereto/chevereto/commit/fe56eb789ecf5e26c84068ba7d88b7a20ea65f5c
- github.com https://github.com/chevereto/chevereto/issues/136
- github.com https://github.com/chevereto/chevereto/releases/tag/4.5.8
- hackmd.io https://hackmd.io/@hieund/chevereto-get-album-contents-private-album-image-disclosure
- vulncheck.com https://www.vulncheck.com/advisories/chevereto-before-4.5.8-private-album-image-disclosure-via-get-album-contents
- hackmd.io https://hackmd.io/@hieund/cve-2026-122326-chevereto-get-album-contents-private-album-image-disclosure