9.3
CVE-2026-74890
- EPSS 0.17%
- Veröffentlicht 17.08.2026 11:04:53
- Zuletzt bearbeitet 01.09.2026 15:26:20
- Erkennungen
openssl_encrypt before 1.4.0 HMAC Authentication Bypass via Environment Variable
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Jahlives ≫ Openssl Encrypt SwPlatform python Version < 1.4.0
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.17% | 0.062 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| disclosure@vulncheck.com | 9.3 | 0 | 0 |
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
|
| disclosure@vulncheck.com | 5.5 | 1.8 | 3.6 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
|
CWE-345 Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-rvc2-5jxq-gpcj
https://www.vulncheck.com/advisories/openssl-encrypt-before-hmac-authentication-bypass-via-environment-variable