EUVD-2026-60115
GHSA-xgx5-9hx8-gf84
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Sandbox escape crosses a security boundary to the host so S:C with full C/I/A; PR:N reflects the intended untrusted-plugin model, though supplying plugin code is a practical prerequisite.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in the DangerousPatternVisitor AST analyzer that fails to detect dunder attribute traversal techniques. Attackers can use __class__, __bases__, __subclasses__(), and __globals__ chains to access restricted functions and execute arbitrary system commands from plugin code.
AnalysisAI
Sandbox escape leading to remote code execution affects openssl_encrypt (the jahlives Python package) in all versions before 1.4.0, where the DangerousPatternVisitor AST analyzer fails to catch dunder-based attribute traversal. Because the library's security model is to safely execute untrusted plugin code, an attacker who can supply a plugin can chain __class__, __bases__, __subclasses__() and __globals__ to reach restricted functions and run arbitrary OS commands, fully defeating the sandbox. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target deployment lets the attacker supply plugin code that is processed by the DangerousPatternVisitor AST analyzer in openssl_encrypt before 1.4.0 - this is the concrete prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base of 9.3 (AV:N/AC:L/PR:N/UI:N with High confidentiality, integrity and availability impact) rates this near-critical, and the outcome - arbitrary command execution - is severe. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker permitted to submit a plugin uploads code that looks benign to the AST allowlist but, at runtime, walks ().__class__.__bases__[0].__subclasses__() to locate a class whose __globals__ or import machinery exposes os/subprocess, then invokes it to run shell commands on the host. Given AV:N/AC:L, this succeeds remotely with low complexity wherever untrusted plugin execution is exposed. … |
| Remediation | Vendor-released patch: upgrade to openssl_encrypt 1.4.0 or later, which is the first release outside the affected range and per the vendor advisory contains the fix; see GHSA-w7gr-9g4g-33mx (https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-33mx). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit all systems and applications currently using the jahlives openssl_encrypt package and identify those accepting or executing untrusted plugin code. …
Sign in for detailed remediation steps and compensating controls.
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External POC / Exploit Code
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