Req vulnerable to unbounded archive/compression extraction triggered by response content-type

Date Jul 29, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product erlang ยท req
CVE CVE-2026-49755
High-risk advisory CVE-2026-49755

Summary

Req vulnerable to unbounded archive/compression extraction triggered by response content-type

Why it matters

GitHub has published a reviewed security advisory for req. Prioritize it with other application dependency updates, especially because EPSS places it in the 36% percentile.

Operator check

Check whether req is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.2. EPSS probability: 0.4%; percentile: 36%.

Sources

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