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CVE-2026-117503

6.9 medium Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusPublished → DeferredNVD modified 2026-10-27 14:52
  2. StatusReceived → PublishedNVD modified 2026-10-27 13:45
  3. Cpes-1 CPE criteria (now 0)NVD modified 2026-10-27 14:16
  4. StatusPublished → ReceivedNVD modified 2026-10-27 14:16
  5. CVSS6.9 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X) → 6.9 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-27 14:16
  6. First seenCVSS 6.9 · a2aprojectNVD modified 2026-10-27 13:45

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 8