CodeWhale: SSRF‌ bypass - TOCTOU on DNS failure for DNS pinning

Date Sep 4, 2026
Type Vendor advisory
Signal Critical vendor advisory
Vendor / Product Rust · deepseek-tui
CVE CVE-2026-75856
Critical vendor advisory CVE-2026-75856

Summary

CodeWhale: SSRF‌ bypass - TOCTOU on DNS failure for DNS pinning

Why it matters

GitHub has published a reviewed security advisory for deepseek-tui. Prioritize it with other application dependency updates, especially because EPSS places it in the 30% percentile.

Operator check

Check whether deepseek-tui is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.2. EPSS probability: 0.4%; percentile: 30%.

Sources

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