Improper Encoding or Escaping of Output Affecting caddy-fips package, versions <2.11.2-r9
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Improper Encoding or Escaping of Output vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-MINIMOSLATEST-CADDYFIPS-16644207
- published13 May 2026
- disclosed7 May 2026
Introduced: 7 May 2026
NewCVE-2026-39826 (opens in a new tab)How to fix?
Upgrade Minimos:latest caddy-fips to version 2.11.2-r9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream caddy-fips package and not the caddy-fips package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
If a trusted template author were to write a <script> tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the <script> block.
References
- https://www.cve.org/CVERecord?id=CVE-2026-39826
- https://github.com/advisories/GHSA-3v2c-x6q9-f697
- https://osv.dev/vulnerability/MINI-w773-9x6f-6pwf
- https://osv.dev/vulnerability/CVE-2026-39826
- https://go.dev/cl/771180
- https://go.dev/issue/78981
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4980