Vulnerability · Published Aug 4, 2026 · Assigned by Fluid Attacks

CVE-2026-13229Zammad 7.0.1 - Improper authorization in ticket article attachment cloning

High 7.1

In plain English

A high-severity missing authorization in Zammad from Zammad. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High

Exploit odds (30 days)0.4%top 62.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint.

Affected products (as reported)

Vendor	Product	Versions
Zammad	Zammad	0 – through 7.0.1

Weakness: CWE-862 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

https://fluidattacks.com/es/advisories/chicago third-party-advisory
https://github.com/zammad/zammad/security/advisories/GHSA-374g-4f73-g7m7 vendor-advisory
https://github.com/zammad/zammad/releases/tag/7.1.2 patch
https://github.com/zammad/zammad product