PYSEC-2026-3744
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/openssl-encrypt/PYSEC-2026-3744.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-3744
- Aliases
-
- CVE-2026-74882
- GHSA-2592-7m3g-7fq6
- Published
- 2026-08-17T11:16:42.863Z
- Modified
- 2026-09-01T09:15:03.520237517Z
- Severity
-
- 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
opensslencrypt versions before 1.4.0 contain an insecure default configuration that trusts the entire RFC 1918 private address space in IntegrityProxyConfig trustedproxies. Attackers on private networks can forge client certificate headers to bypass mTLS authentication when ProxyAuth validation is relaxed or modified.
- References
Affected packages
PyPI / openssl-encrypt
Package
- Name
- openssl-encrypt
- View open source insights on deps.dev
- Purl
- pkg:pypi/openssl-encrypt
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.4.0
Affected versions
0.*
0.2.2
0.2.3
0.2.4
0.2.5
0.2.6
0.3.0
0.3.1
0.3.2
0.3.3
0.4.0
0.4.1
0.4.2
0.4.3
0.4.4
0.5.0
0.5.1
0.5.3
0.6.0rc1
0.7.0rc2
0.7.1
0.7.2
0.8.0
0.8.1
0.8.2
0.9.2
1.*
1.0.0
1.0.1
1.0.2
1.0.3
1.1.0
1.2.0
1.2.1
1.3.0
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
1.4.0b3
1.4.0b4
1.4.0b5
1.4.0b6
1.4.0b7
1.4.0b8