http4s-scala-xml has an XML External Entity (XXE) processing issue

Date Sep 24, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Maven ยท org.http4s:http4s-scala-xml_2.12
CVE CVE-2026-61741
High-risk advisory CVE-2026-61741

Summary

http4s-scala-xml has an XML External Entity (XXE) processing issue

Why it matters

GitHub has published a reviewed security advisory for org.http4s:http4s-scala-xml_2.12. Prioritize it with other application dependency updates.

Operator check

Check whether org.http4s:http4s-scala-xml_2.12 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.