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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Chevereto Chevereto unaffected
Version Status Constraints
0 affected < 4.5.8

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Project Subscriptions

Vendors Products
Chevereto Subscribe
Chevereto Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/chevereto/chevereto cve-icon
https://github.com/chevereto/chevereto/blob/4.5.7/app/legacy/routes/json.php#L336-L410 cve-icon
https://github.com/chevereto/chevereto/blob/4.5.7/app/src/Legacy/Classes/Listing.php#L834-L885 cve-icon
https://github.com/chevereto/chevereto/commit/fe56eb789ecf5e26c84068ba7d88b7a20ea65f5c cve-icon
https://github.com/chevereto/chevereto/issues/136 cve-icon
https://github.com/chevereto/chevereto/releases/tag/4.5.8 cve-icon
https://hackmd.io/@hieund/chevereto-get-album-contents-private-album-image-disclosure cve-icon
https://www.vulncheck.com/advisories/chevereto-before-4.5.8-private-album-image-disclosure-via-get-album-contents cve-icon
History

Thu, 05 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents
First Time appeared Chevereto
Chevereto chevereto
Weaknesses CWE-639
CPEs cpe:2.3:a:chevereto:chevereto:*:*:*:*:*:*:*:*
Vendors & Products Chevereto
Chevereto chevereto
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-05T15:11:44.791Z

Reserved: 2026-11-04T23:26:08.935Z

Link: CVE-2026-122326

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses