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CVE-2026-31626
high
CVSS 7.1
Vulnerability in c (CVE-2026-31626)
Summary
vulnerability in c (CVE-2026-31626). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-31626** has been found in c.
Risk of unauthorized operations or information disclosure. CVSS score: 7.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-31626" on the vendor's site.
CVE-2026-31626 (c) — CWE-908 / CVSS v3 7.1
Attack vector: adjacent-network / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-908) exists in c.
📍 Affected scope
c — .
🔥 Severity
Severity: High (CVSS 7.1/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'c' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'c' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `c` を grep し、稼働しているサービス・バージョンを把握する。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- web https://git.kernel.org/stable/c/51532c7c1d357145f4ac561648499f7a6847f739
- web https://git.kernel.org/stable/c/6792624d933146e2757b07092e93ad915cb58930
- web https://git.kernel.org/stable/c/8c964b82a4e97ec7f25e17b803ee196009b38a57
- web https://git.kernel.org/stable/c/9e911eead187240193516edf55a0e1ab3425aa5b
- web https://git.kernel.org/stable/c/b487a7754d874230299d5a9c2710ec4df8b2ed8a
- web https://git.kernel.org/stable/c/c2026c6b603ebec52f55015496703fe79077accf
- web https://git.kernel.org/stable/c/c65ee4d3be5df395e48afbcd0946dd5fce4338a9
- web https://git.kernel.org/stable/c/d5b8f5f8d6fc09a8af5ed139c688660f578ed732
- web https://git.kernel.org/stable/c/ef74ce5f0bc0e53ce702d8a794f3957884a26efc
- web https://nvd.nist.gov/vuln/detail/CVE-2026-31626
- web https://github.com/advisories/GHSA-cxgj-pqq4-q34h