Medium [CVE-2026-2950] Prototype pollution allows deletion of built-in prototype properties via array path bypass
This medium-severity Red Hat Linux advisory covers CVE-2026-2950 affecting nodejs20-main, rhdh/rhdh-hub-rhel9:1780930740, nodejs25-main.
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
Prototype pollution allows deletion of built-in prototype properties via array path bypass. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-915. Affected package(s): nodejs20-main, rhdh/rhdh-hub-rhel9:1780930740, nodejs25-main, yarnpkg-main.
Resolved in Red Hat advisory RHSA-2026:7655 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux.
- nodejs20-main-20.20.2-1.hum1
- rhdh/rhdh-hub-rhel9:1780930740
- nodejs25-main-25.9.0-1.1.hum1
- yarnpkg-main-1.22.22-18.1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:7655
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7655 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.