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CVE-2025-50736
Open Redirect in pdf2zh (CVE-2025-50736)
Summary
vulnerability in pdf2zh (CVE-2025-50736). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-50736** has been found in pdf2zh.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "pdf2zh CVE-2025-50736" on the vendor's site.
CVE-2025-50736 (pdf2zh) — CWE-601 /
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-601) exists in pdf2zh.
📍 Affected scope
pdf2zh — .
🔥 Severity
Severity: ?. 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 'pdf2zh' .` 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 'pdf2zh' . | 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 `pdf2zh` 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。
Affected packages
PyPI
pdf2zh
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-50736
- advisory https://github.com/advisories/GHSA-pfrv-63w8-q7rq
- package https://github.com/Byaidu/PDFMathTranslate
- package https://pypi.org/project/pdf2zh
- web https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50736
- web https://hackmd.io/@fai1424/SJz7ttVWxe
- web https://pdf2zh.com