Path Traversal in Oracle GraalVM for JDK, Oracle GraalVM (CVE-2026-83357)
Summary
Path traversal in Oracle GraalVM for JDK, Oracle GraalVM (CVE-2026-83357). Successful exploitation can lead to full system takeover.
Original description
The description as published by the source.
Vulnerability in the Oracle GraalVM for JDK, Oracle GraalVM product of Oracle Java SE (component: Compiler). The supported version that is affected is Oracle GraalVM for JDK 17: 23.0.13.1; Oracle GraalVM for JDK 21: 23.1.12.1; Oracle GraalVM: 25.0.4.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle GraalVM for JDK, Oracle GraalVM. Successful attacks of this vulnerability can result in takeover of Oracle GraalVM for JDK, Oracle GraalVM. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
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-2026-83357 has been found in Oracle GraalVM for JDK, Oracle GraalVM.
Successful exploitation can lead to full system takeover. CVSS score: 8.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Oracle GraalVM for JDK, Oracle GraalVM CVE-2026-83357" on the vendor's site.
CVE-2026-83357 (Oracle GraalVM for JDK, Oracle GraalVM) — CWE-22 / CVSS v3 8.1
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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.
Path traversal (CWE-22) exists in Oracle GraalVM for JDK, Oracle GraalVM.
Check the vendor advisory for the affected versions of Oracle GraalVM for JDK, Oracle GraalVM.
Severity: High (CVSS 8.1/10). Successful exploitation can lead to full system takeover.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
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
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Oracle GraalVM for JDK, Oracle GraalVM を使っているサービスとバージョンを洗い出す。
-
2Post-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。
References
- web oracle.com
- web nvd.nist.gov
- web github.com