CVE-2026-3013: Path Traversal in Coppermine Photo Gallery

Severity: high (CVSS 8.7 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-11 · updated 2026-06-17
Weakness: CWE-22

Description

Coppermine Photo Gallery in versions 1.6.09 through 1.6.27 is vulnerable to path traversal. Unauthenticated remote attacker is able to exploit a vulnerable endpoint and construct payloads that allow to read content of any file accessible by the the web server process.This issue was fixed in version 1.6.28.

Affected products

Coppermine Photo Gallery: from 1.6.09 before 1.6.28 — fixed in 1.6.28

How to fix

Upgrade to a fixed version: Coppermine Photo Gallery 1.6.28. Check the vendor advisory for mitigations.

References

https://cert.pl/en/posts/2026/03/CVE-2026-3013
https://github.com/coppermine-gallery/cpg1.6.x/releases/tag/v1.6.28

Get alerted when CVE-2026-3013 or the next vulnerability affects your stack