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CVE-2026-33487
high
CVSS 7.5
Vulnerability in goxmldsig-project (CVE-2026-33487)
Summary
vulnerability in goxmldsig-project (CVE-2026-33487). Data can be tampered with by attackers. Exploitable via ``validateSignature``.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-33487** has been found in goxmldsig-project.
Attackers can target a specific entry point like ``validateSignature`` over the network to misuse the product.
Data can be tampered with by attackers. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "goxmldsig-project CVE-2026-33487" on the vendor's site.
CVE-2026-33487 (goxmldsig-project) — CWE-347 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `validateSignature` / `validate.go` / `SignedInfo` / `go.mod`
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-347) exists in goxmldsig-project. Attackers reach the vulnerable code path via ``validateSignature`` without authentication.
📍 Affected scope
goxmldsig-project — . Attack surface: `validateSignature` / `validate.go` / `SignedInfo` / `go.mod`.
🔥 Severity
Severity: High (CVSS 7.5/10). Data can be tampered with by attackers
🔧 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 'goxmldsig-project' .` 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
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1Identify exposure identify
grep -r 'goxmldsig-project' . | 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 `goxmldsig-project` 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
- exploit [email protected]
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c