CVE-2026-110723 api-gateway - Broken Access Control

api-gateway <= 1.7.3 contains a broken access control caused by unvalidated use of the leftmost element of X-Forwarded-For header in ClientIpKeyResolver, letting attackers bypass request-rate limiting, exploit requires attacker to control X-Forwarded-For header.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
15 October 2026
Updated
15 October 2026
Weakness
CWE-290

Vendor fix

Update to a version later than 1.7.3 or apply a fix that validates X-Forwarded-For against trusted proxies.

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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