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CVE-2026-53875
Vulnerability in picklescan (CVE-2026-53875)
Summary
vulnerability in picklescan (CVE-2026-53875). Risk of unauthorized operations or information disclosure. Exploitable via ``scan_pytorch``. Mitigation: upgrade to `1.0.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-53875** has been found in picklescan.
Attackers can target a specific entry point like ``scan_pytorch`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade picklescan to **1.0.3** or later.
If unsure, ask your IT team or search "picklescan CVE-2026-53875" on the vendor's site.
CVE-2026-53875 (picklescan) — CWE-184 /
Attack surface: `scan_pytorch` / `picklescan` / `magic_number` / `opcode.name`
Patched: `1.0.3` — apply immediately
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-184) exists in picklescan. Attackers reach the vulnerable code path via ``scan_pytorch`` without authentication.
📍 Affected scope
picklescan — . Attack surface: `scan_pytorch` / `picklescan` / `magic_number` / `opcode.name`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.0.3**.
🛡️ 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 'picklescan' .` 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 'picklescan' . | 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 `picklescan` 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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6Apply patch patch
Upgrade picklescan to 1.0.3ステージング環境で 1.0.3 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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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
pip
picklescan
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.3"}]}]
References
- web https://github.com/mmaitre314/picklescan/security/advisories/GHSA-97f8-7cmv-76j2
- web https://nvd.nist.gov/vuln/detail/CVE-2026-53875
- web https://github.com/mmaitre314/picklescan/commit/134179474539648ba7dee1317959529fbd0e7f89
- web https://github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f
- web https://www.vulncheck.com/advisories/picklescan-scanning-bypass-via-dynamic-eval-in-scan-pytorch
- web https://github.com/advisories/GHSA-cc5p-54x3-hcf8
- web https://github.com/mmaitre314/picklescan/commit/b9997634683a4f4bd0c7e3701e7ce7e90fe70e8c
- web https://github.com/advisories/GHSA-97f8-7cmv-76j2