CVE-2026-74882 — HIGH (7.5)

Q: How severe is CVE-2026-74882?

CVE-2026-74882 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-74882?

Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.

Vulnerability Description

openssl_encrypt versions before 1.4.0 contain an insecure default configuration that trusts the entire RFC 1918 private address space in IntegrityProxyConfig trusted_proxies. Attackers on private networks can forge client certificate headers to bypass mTLS authentication when ProxyAuth validation is relaxed or modified.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Jahlives	Openssl Encrypt	< 1.4.0

Related Weaknesses (CWE)

CWE-345

References

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-2592-7m3g-7MitigationVendor Advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-insecure-default-conThird Party Advisory

FAQ

What is CVE-2026-74882?

CVE-2026-74882 is a vulnerability with a CVSS score of 7.5 (HIGH). openssl_encrypt versions before 1.4.0 contain an insecure default configuration that trusts the entire RFC 1918 private address space in IntegrityProxyConfig trusted_proxies. Attackers on private netw...

How severe is CVE-2026-74882?

CVE-2026-74882 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-74882?

Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.