Medium 5.3Published Oct 20, 2026

CVE-2026-113705a2aproject a2a-rs error.rs information exposure

Updated under an hour ago (2026-10-22 03:50 UTC)

Does this affect you?

It affects a2aproject a2a-rs. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for a2aproject a2a-rs

Exploited in the last 30 days

A vulnerability was determined in a2aproject a2a-rs up to 0.4.3. This issue affects some unknown processing of the file a2a-server/src/error.rs. Executing a manipulation can lead to information exposure through error message. The attack can be executed remotely. This patch is called 713b943af94ab2d521d483b841618b97a2e78a4d. A patch should be applied to remediate this issue.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
Weakness (CWE): CWE-209, CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Oct 20, 2026
First seen by InfoSec Signals: Oct 20, 2026

Affected products

Affected products

a2aproject a2a-rs a2aproject:a2a-rs	0.4.0; 0.4.1; 0.4.2; 0.4.3	CNA record

References

https://vuldb.com/vuln/422867vdb-entry
https://vuldb.com/vuln/422867/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-113705third-party-advisory
https://vuldb.com/submit/1014888third-party-advisory
https://github.com/a2aproject/a2a-rs/pull/127issue-tracking, patch
https://github.com/a2aproject/a2a-rs/commit/713b943af94ab2d521d483b841618b97a2e78a4dpatch
https://github.com/a2aproject/a2a-rs/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.