Medium severity · published Oct 20, 2026
CVE-2026-113707
a2aproject a2a-rs inmemory.rs update race condition
5.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A2
a2a-rs · a2aproject
0.4.0; 0.4.1; 0.4.2; 0.4.3; 0.4.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-113707
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-113707
github.com
https://github.com/a2aproject/a2a-rs/
github.com
https://github.com/a2aproject/a2a-rs/commit/7050c7d329238539424ee46440e23b91c4825bee
github.com
https://github.com/a2aproject/a2a-rs/pull/126
vuldb.com
https://vuldb.com/cve/CVE-2026-113707
vuldb.com
https://vuldb.com/submit/1015056
vuldb.com
https://vuldb.com/vuln/422869
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