CVE-2026-113706

LOW 3.5

a2aproject a2a-rs inmemory.rs information disclosure

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-200 CWE-284
Vendor	a2aproject
Product	a2a-rs
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

a2aproject / a2a-rs

0.4.0 0.4.1 0.4.2 0.4.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/422868 vuldb.com: https://vuldb.com/vuln/422868/cti vuldb.com: https://vuldb.com/cve/CVE-2026-113706 vuldb.com: https://vuldb.com/submit/1015040 github.com: https://github.com/a2aproject/a2a-rs/pull/122 github.com: https://github.com/a2aproject/a2a-rs/commit/68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb github.com: https://github.com/a2aproject/a2a-rs/

Credits

🔍 colorfullbz (VulDB User)