CVE-2026-113707

a2aproject a2a-rs inmemory.rs update race condition

MEDIUM
5.4
CVSS Score
Published: October 20, 2026 at 11:30 PM UTC
Updated: October 28, 2026 at 03:17 PM UTC
1 product affected across 1 vendora2a-rs

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A security flaw has been discovered in a2aproject a2a-rs up to 0.4.4. The affected element is the function InMemoryTaskStore::update of the file a2a-server/src/task_store/inmemory.rs. The manipulation results in race condition. The attack may be performed from remote. The patch is identified as 7050c7d329238539424ee46440e23b91c4825bee. It is advisable to implement a patch to correct this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.4.00.4.10.4.20.4.30.4.4

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/422869
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/422869/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-113707
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/1015056
Issue TrackingPatch
Source: cverecord
https://github.com/a2aproject/a2a-rs/pull/126

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-362

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