CodeWhale: SSRF‌ bypass - TOCTOU on DNS failure for DNS pinning — GHSA-6V2G-FPXH-PMMH

Summary

### Maintainer resolution The CodeWhale maintainers validated this report. The affected package ranges are recorded in the advisory metadata. Version 0.8.64 contains the fix in commit 26de44a8bd5051f8f944ea60b2c37ae1d2b7d25e. Users should upgrade to 0.8.64 or later. The original reporter analysis is preserved below. ### Summary DNS-pinning failure allows natural failure of code, however with a custom DNS server…

Timeline

Published by source

2026-09-04

Risk context

• Reported severity or threat level: critical.
• Reported CVSS score: 9.2 out of 10.
• Reported EPSS value: 0.0037.
• Review exposure for the affected product or family: rust: deepseek-tui | npm: deepseek-tui | rust: codewhale-tui | npm: codewhale.

Product

rust: deepseek-tui | npm: deepseek-tui | rust: codewhale-tui | npm: codewhale

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-6V2G-FPXH-PMMH

Source

GitHub

Vendor

GitHub

Published by source

2026-09-04

Last source activity

2026-09-04

Additional identifiers

CVE-2026-75856

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.