CVE-2026-113712: Cachet stored cross-site scripting in incident form

CVE-2026-113712 · Severity: medium · CVSS 4 · Published 2026-10-20

Cachet is an open-source status page system that displays operational status information to users. An authenticated attacker can inject malicious scripts into incident names and messages that execute in the browsers of anyone viewing the public status page, enabling session token theft and account takeover of any user, including administrators.

Technologies: cachethq/cachet (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2026-113712 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-113712 being exploited in the wild.
How severe is CVE-2026-113712?
Medium severity, with a CVSS score of 4, published 20 October 2026.
Which products and versions are affected?
Cachethq Cachet 2.4.1 and earlier; v3; cachethq/cachet (Packagist) <= 2.4.1, ECOSYSTEM:introduced=0,last_affected=2.4.1.
Is there a fix for CVE-2026-113712?
Yes: fixed in Commits 23adbb88ffa819f92be4a905ff1d812670d980a2 and 57b44a8bac0b250b0d5751e93e0349070d14606e in cachethq/core. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-113712 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-113712?
Check whether you run Cachethq Cachet or cachethq/cachet (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: Commits 23adbb88ffa819f92be4a905ff1d812670d980a2 and 57b44a8bac0b250b0d5751e93e0349070d14606e in cachethq/core

Technical details

A stored XSS vulnerability exists in the incident creation form's Name and Message fields, which do not properly sanitize HTML event handler attributes. Although &lt;script&gt; tags are filtered, event-based payloads such as &lt;img src=x onerror="..."&gt; bypass the protection. The vulnerability affects the /dashboard/incidents/ endpoint and requires authentication to inject; payloads execute when any user views the public status page. Commits 23adbb8 and 57b44a8 in cachethq/core patch the issue by sanitizing user-authored Markdown and stripping raw HTML.

Affected products

  • cachethq Cachet 2.4.1 and earlier; v3

Identifiers

  • CVE-2026-113712
  • GHSA-x397-5hrv-j9m9

Timeline

  • 2026-08-27: disclosed
  • 2026-10-20: advisory

References

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