CVE-2023-43661: Cachet vulnerable to Authenticated Remote Code Execution

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 51.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-10-11 · updated 2026-10-20
Weakness: CWE-94

Description

Cachet is an open-source status page system. Prior to the 2.4 branch, a template functionality which allows users to create templates allows them to execute any code on the server during the bad filtration and old twig version. Commit 6fb043e109d2a262ce3974e863c54e9e5f5e0587 of the 2.4 branch contains a patch for this issue.

Affected products

cachethq cachet: before 2.4 — fixed in 2.4

How to fix

Upgrade to a fixed version: cachethq cachet 2.4. Check the vendor advisory for mitigations.

References

https://github.com/cachethq/cachet/commit/6fb043e109d2a262ce3974e863c54e9e5f5e0587
https://github.com/cachethq/cachet/security/advisories/GHSA-hv79-p62r-wg3p
https://github.com/cachethq/cachet/commit/6fb043e109d2a262ce3974e863c54e9e5f5e0587
https://github.com/cachethq/cachet/security/advisories/GHSA-hv79-p62r-wg3p

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