CVE-2026-113706

medium

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.

References

https://vuldb.com/vuln/422868/cti

https://vuldb.com/vuln/422868

https://vuldb.com/submit/1015040

https://vuldb.com/cve/CVE-2026-113706

https://github.com/a2aproject/a2a-rs/pull/122

https://github.com/a2aproject/a2a-rs/commit/68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb

https://github.com/a2aproject/a2a-rs/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-106877

Details

Source: Mitre, NVD

Published: 2026-10-21

Updated: 2026-10-27

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 3.5

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

Severity: Low

CVSS v4

Base Score: 5.1

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

Severity: Medium

EPSS

EPSS: 0.0025