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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
a2aproject:a2a-rs
References 7
https://github.com/a2aproject/a2a-rs/
cna@vuldb.com
https://github.com/a2aproject/a2a-rs/commit/7050c7d329238539424ee46440e23b91c48…
cna@vuldb.com
https://github.com/a2aproject/a2a-rs/pull/126
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-113707
cna@vuldb.com
https://vuldb.com/submit/1015056
cna@vuldb.com
https://vuldb.com/vuln/422869
cna@vuldb.com
https://vuldb.com/vuln/422869/cti
cna@vuldb.com