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CVE-2026-74890

🗓️ 17 Aug 2026 11:04:53Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

openssl_encrypt before 1.4.0 disables CamelliaCipher HMAC when PYTEST_CURRENT_TEST is set, enabling unauthenticated ciphertext.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74890
17 Aug 202611:04
attackerkb
circl
Circl
CVE-2026-74890
17 Aug 202612:09
circl
cvelist
Cvelist
CVE-2026-74890 openssl_encrypt before 1.4.0 HMAC Authentication Bypass via Environment Variable
17 Aug 202611:04
cvelist
euvd
EUVD
EUVD-2026-60109
17 Aug 202611:04
euvd
nvd
NVD
CVE-2026-74890
17 Aug 202611:16
nvd
ptsecurity
Positive Technologies
PT-2026-76626
17 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-74890 openssl_encrypt before 1.4.0 HMAC Authentication Bypass via Environment Variable
17 Aug 202611:04
vulnrichment
Vulners
Node
[
  {
    "vendor": "jahlives",
    "product": "openssl_encrypt",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/openssl_encrypt",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "1.4.0"
      },
      {
        "version": "1.4.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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17 Aug 2026 15:16Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
CVSS 49.3
SSVC
4