CVE-2026-113707

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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-25)

CWE

CWE-362

Published

2026-10-21

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

References

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

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