---
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
---

## Overview

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.

## Affected

- `Chevereto < 4.5.8`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.