CVE-2026-113707

MEDIUM 5.4

a2aproject a2a-rs inmemory.rs update race condition

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-362
Vendor	a2aproject
Product	a2a-rs
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

a2aproject / a2a-rs

0.4.0 0.4.1 0.4.2 0.4.3 0.4.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/422869 vuldb.com: https://vuldb.com/vuln/422869/cti vuldb.com: https://vuldb.com/cve/CVE-2026-113707 vuldb.com: https://vuldb.com/submit/1015056 github.com: https://github.com/a2aproject/a2a-rs/pull/126 github.com: https://github.com/a2aproject/a2a-rs/commit/7050c7d329238539424ee46440e23b91c4825bee github.com: https://github.com/a2aproject/a2a-rs/

Credits

🔍 colorfullbz (VulDB User)