Soup Sieve: Regular Expression Denial of Service (ReDoS) via Selector Parser
High-risk advisory
CVE-2026-49477
Summary
Soup Sieve: Regular Expression Denial of Service (ReDoS) via Selector Parser
Why it matters
GitHub has published a reviewed security advisory for soupsieve. Prioritize it with other application dependency updates.
Operator check
Check whether soupsieve 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.