MEDIUMVulnerability
CVE-2026-74890
openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that disables HMAC tag generation and verification when the PYTEST_CURRENT_TEST environment variable is set. Attackers with code execution can set this environment variable to produce unauthenticated ciphertext and bypass integrity protection on encrypted data.
Properties
- severity
- MEDIUM
- score
- 5.5
- epss_score
- 0.00155
- cve_id
- CVE-2026-74890
- vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- published_at
- 2026-08-17T11:16:43.960
- last_modified
- 2026-09-01T15:26:20.103
- epss_percentile
- 0.04914
Related Entities (4)
ENRICHED_BY (1)
→[Source]FIRST EPSS
AFFECTS_PRODUCT (1)
→[Product]
HAS_WEAKNESS (1)
→[Weakness]Insufficient Verification of Data Authenticity
DESCRIBED_BY (1)
→[Source]NVD
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