SB2026011556 - Ubuntu update for cpp-httplib



SB2026011556 - Ubuntu update for cpp-httplib

Published: January 15, 2026

Security Bulletin ID SB2026011556
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Insufficient verification of data authenticity (CVE-ID: CVE-2025-66570)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to software trusts data passed via the X-Forwarded-For/X-Real-IP headers and uses this date when writing log entries or appending headers to the request. A remote attacker can modify these headers and poison log files or inject arbitrary HTTP headers into HTTP requests. 


Remediation

Install update from vendor's website.