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CVE-2026-58315
medium
CVSS 4.3
Cross-Site Request Forgery (CSRF) in jvn (CVE-2026-58315)
Summary
vulnerability in jvn (CVE-2026-58315). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-58315** has been found in jvn.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "jvn CVE-2026-58315" on the vendor's site.
CVE-2026-58315 (jvn) — CWE-352 / CVSS v3 4.3
Attack vector: remote (network-reachable) / unauthenticated
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
**CSRF** (CWE-352) exists in jvn.
📍 Affected scope
jvn — .
🔥 Severity
Severity: Medium (CVSS 4.3/10). 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-2026-000096
- web https://nvd.nist.gov/vuln/detail/CVE-2026-58315
- web https://jvn.jp/en/jp/JVN87285119
- web https://www.epson.jp/news/info/a-security202607.htm
- web https://github.com/advisories/GHSA-2m7v-q2j4-mr6f
- web [email protected]
- web https://www.epson.co.uk/en_GB/faq/KA-02075/contents?loc=en-us&ot_preferences=C0004%3A1%2CC0003%3A1%2CC0002%3A1%2CC0001%3A1&adobe_mc=MCMID%3D92155711048749840274153414272266649988%7CMCORGID%3DC6DD45815AE6DFFD0A495D24%40AdobeOrg%7CTS%3D1784703080