CVE-2026-113706
a2aproject a2a-rs inmemory.rs information disclosure
a2aproject a2a-rs
CVSS
5.1MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.25%Chance of exploitation activity in the next 30 days, higher than 15% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
A vulnerability was identified in a2aproject a2a-rs up to 0.4.3. Impacted is an unknown function of the file a2a-server/src/task_store/inmemory.rs. The manipulation of the argument historyLength leads to information disclosure. The attack is possible to be carried out remotely. The identifier of the patch is 68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb. To fix this issue, it is recommended to deploy a patch.
Text from CVE List
Affected versions 4
- a2a-rsaffected: 0.4.0CVE List
- a2a-rsaffected: 0.4.1CVE List
- a2a-rsaffected: 0.4.2CVE List
- a2a-rsaffected: 0.4.3CVE List
References 7
- github.com/a2aproject/a2a-rs/pull/122Fixvia CVE List
- github.com/a2aproject/a2a-rs/commit/68f1b7e772ae5d6c9e581ac9b48bcddd10fe70ebFixvia CVE List
- vuldb.com/cve/CVE-2026-113706Advisoryvia CVE List
- vuldb.com/submit/1015040Advisoryvia CVE List
- vuldb.com/vuln/422868Referencevia CVE List
- vuldb.com/vuln/422868/ctiReferencevia CVE List
- github.com/a2aproject/a2a-rs/Referencevia CVE List