CVE-2026-122326

Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents

6.9 Medium

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 profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.52%Unchanged since Nov 6, 2026

What each source reports

CVE List Score used 6.9

Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents

Record: CVE-2026-122326
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-639
Updated: 2026-11-05

EUVDEUVD-2026-117534 6.9

Record: EUVD-2026-117534
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-05

GitHub AdvisoriesGHSA-h8vc-h7q7-f23j 6.9

Chevereto before 4.5.8 contains an authorization bypass vulnerability in the get-album-contents...

Record: GHSA-h8vc-h7q7-f23j
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-639
Updated: 2026-11-05

NVD 6.9

Record: CVE-2026-122326
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-639
Updated: 2026-11-05

OSV 6.9

Chevereto before 4.5.8 Private Album Image Disclosure via get-album-contents

Record: CVE-2026-122326
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-639
Updated: 2026-11-07

Affected products

History

History
Recorded	Changed	Sources
Nov 6, 2026	references	EUVD, NVD, OSV
Nov 5, 2026	references	GitHub Advisories, OSV
Nov 5, 2026	references	CVE List, EUVD, NVD
Nov 5, 2026	aliases, references	GitHub Advisories
Nov 5, 2026	first indexed	CVE List, EUVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-122326 is a medium vulnerability (CVSS 6.9) in Chevere Spa Chevereto, published November 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.

References

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