CVE-2026-117503

MEDIUM 5.3CVE-2026-117503 · Published 27/10/2026 · updated 02/11/2026

In short

CVE-2026-117503 is a MEDIUM (CVSS 5.3) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.71%, higher than 53.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

A vulnerability was determined in a2aproject a2a-go up to 2.4.0. Impacted is an unknown function of the file a2asrv/rest.go of the component REST SSE handler. This manipulation causes resource consumption. It is possible to initiate the attack remotely. Upgrading to version 2.5.0 is recommended to address this issue. Patch name: ff6035bd21e44bb3ee1bfa547885b8c08327fa01. It is recommended to upgrade the affected component.

References

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