CVE-2026-113705

a2aproject a2a-rs error.rs information exposure

MEDIUM
5.3
CVSS Score
Published: October 20, 2026 at 10:45 PM UTC
Updated: October 28, 2026 at 04:17 PM UTC
1 product affected across 1 vendora2a-rs

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.4.00.4.10.4.20.4.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/422867
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/422867/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-113705
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/1014888
Issue TrackingPatch
Source: cverecord
https://github.com/a2aproject/a2a-rs/pull/127

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-209CWE-200

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