CRITICALVulnerability
CVE-2026-74899
openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in IsolatedPluginExecutor that exposes Python type objects in restricted exec() builtins. Attackers can traverse the Python class hierarchy via __class__.__mro__.__subclasses__() to access system functions and execute arbitrary OS commands.
Properties
- severity
- CRITICAL
- score
- 9.8
- epss_score
- 0.00491
- cve_id
- CVE-2026-74899
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-08-17T11:16:44.917
- last_modified
- 2026-08-28T18:34:48.753
- epss_percentile
- 0.40361
Related Entities (4)
ENRICHED_BY (1)
→[Source]FIRST EPSS
AFFECTS_PRODUCT (1)
→[Product]
HAS_WEAKNESS (1)
→[Weakness]Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
DESCRIBED_BY (1)
→[Source]NVD
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