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CVE-2026-22796
medium
CVSS 5.3
Vulnerability in jvn (CVE-2026-22796)
Summary
vulnerability in jvn (CVE-2026-22796). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-22796** has been found in jvn.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "jvn CVE-2026-22796" on the vendor's site.
CVE-2026-22796 (jvn) — CWE-754 / CVSS v3 5.3
Attack vector: remote (network-reachable) / 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-754) exists in jvn.
📍 Affected scope
jvn — .
🔥 Severity
Severity: Medium (CVSS 5.3/10). 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 'jvn' .` 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 'jvn' . | 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 `jvn` を grep し、稼働しているサービス・バージョンを把握する。
-
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
- JVN JVNDB-2026-015130
- web https://github.com/openssl/openssl/commit/2502e7b7d4c0cf4f972a881641fe09edc67aeec4
- web https://github.com/openssl/openssl/commit/572844beca95068394c916626a6d3a490f831a49
- web https://github.com/openssl/openssl/commit/7bbca05be55b129651d9df4bdb92becc45002c12
- web https://github.com/openssl/openssl/commit/eeee3cbd4d682095ed431052f00403004596373e
- web https://github.com/openssl/openssl/commit/ef2fb66ec571564d64d1c74a12e388a2a54d05d2
- web https://openssl-library.org/news/secadv/20260127.txt
- web https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- web https://nvd.nist.gov/vuln/detail/CVE-2026-22796
- web https://github.com/advisories/GHSA-r9hf-rxjm-gv2f