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CVE-2026-57280 high CVSS 8.8

Vulnerability in org.jenkins-ci.plugins:script-security (CVE-2026-57280)

Summary

Vulnerability in org.jenkins-ci.plugins:script-security (CVE-2026-57280). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 1402.1405.vc96e74964250 or later.

Original description

The description as published by the source.

Jenkins Script Security Plugin provides a sandbox feature that allows running user-provided scripts safely by intercepting and checking potentially unsafe operations.

Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type cast applied to each element of the iterated collection in a typed for loop (e.g. for (Type t in collection)), as this cast is performed during bytecode generation rather than in the transformed script AST.

This allows attackers able to provide sandboxed scripts to invoke constructors of arbitrary types without those invocations being checked by the sandbox, bypassing the sandbox protection. This can be used to execute arbitrary code on the Jenkins controller.

Script Security Plugin 1402.1405.vc96e74964250 updates the bundled groovy-sandbox library to a version that intercepts the implicit type cast applied to typed for loop elements, so those casts are checked by the sandbox.

Source: NIST National Vulnerability Database NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-57280 has been found in org.jenkins-ci.plugins:script-security.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: upgrade org.jenkins-ci.plugins:script-security to 1402.1405.vc96e74964250 or later.
If unsure, ask your IT team or search "org.jenkins-ci.plugins:script-security CVE-2026-57280" on the vendor's site.

CVE-2026-57280 (org.jenkins-ci.plugins:script-security) — CWE-693 / CVSS v3 8.8
Attack vector: remote (network-reachable) / no user interaction
Patched: 1402.1405.vc96e74964250 — 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-693) exists in org.jenkins-ci.plugins:script-security.

📍 Affected scope

Check the vendor advisory for the affected versions of org.jenkins-ci.plugins:script-security.

🔥 Severity

Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to 1402.1405.vc96e74964250.

🛡️ 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. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで org.jenkins-ci.plugins:script-security を使っているサービスとバージョンを洗い出す。

  2. 2
    Apply patch patch 
    Upgrade org.jenkins-ci.plugins:script-security to 1402.1405.vc96e74964250

    ステージング環境で 1402.1405.vc96e74964250 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を含めること。

  3. 3
    Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

maven org.jenkins-ci.plugins:script-security
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1402.1405.vc96e74964250"}]}]

References

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