What’s Vulnerable › Vulnerabilities

CVE-2026-113707: a2aproject a2a-rs inmemory.rs update race condition

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-20 · updated 2026-10-28
• Weakness: CWE-362

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 products

• a2aproject a2a-rs: 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4

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
• https://vuldb.com/vuln/422869
• https://vuldb.com/vuln/422869/cti

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