CVE-2026-105299 Pingora - Broken Access Control

Pingora before 0.9.0 contains an HTTP header injection caused by improper removal of Connection and hop-by-hop headers in upstream_request_filter, letting remote attackers bypass IP-based authorization by removing trusted headers, exploit requires chained HTTP/1 intermediary deployment.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Published
20 October 2026
Updated
20 October 2026

Vendor fix

Upgrade to Pingora version 0.9.0 or later; alternatively, remove Connection and nominated headers in upstream_request_filter before adding trusted headers.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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