CVE-2026-113705 Details
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.
A vulnerability allowing information exposure through error messages has been identified in the a2aproject a2a-rs library, affecting versions prior to 0.4.3. The issue arises from improper handling of internal error messages in the a2a-server component, which can be exploited remotely. The vulnerability has been addressed in the main branch of the repository.
Users can update to a version through 0.4.3 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 20, 2026CISA-ADP
Assessed Oct 28, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/a2aproject/a2a-rs/ | [email protected] | Vendor |
| https://github.com/a2aproject/a2a-rs/commit/713b943af94ab2d521d483b841618b97a2e78a4d | [email protected] | Source CodeVendor |
| https://github.com/a2aproject/a2a-rs/pull/127 | [email protected] | Issue TrackingVendor |
| https://vuldb.com/cve/CVE-2026-113705 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1014888 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/422867 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/422867/cti | [email protected] | AdvisoryContent Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
| CWE-209 | Generation of Error Message Containing Sensitive Information | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| a2aproject a2a-rs | <= 0.4.3 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 28, 2026 | CVE Modified | CISA-ADP |
| Oct 20, 2026 | New CVE Received | [email protected] |