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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
A2aproject
  • A2a-rs

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

Wed, 28 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 20 Oct 2026 23:30:00 +0000

Type Values Removed Values Added
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.
Title a2aproject a2a-rs inmemory.rs information disclosure
First Time appeared A2aproject
A2aproject a2a-rs
Weaknesses CWE-200
CWE-284
CPEs cpe:2.3:a:a2aproject:a2a-rs:*:*:*:*:*:*:*:*
Vendors & Products A2aproject
A2aproject a2a-rs
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 3.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 3.5, 'vector': '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'}

cvssV4_0

{'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/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-10-20T23:15:22.806Z

Updated: 2026-10-27T21:32:36.017Z

Reserved: 2026-10-20T15:57:19.225Z

Link: CVE-2026-113706

cve-icon Vulnrichment

Updated: 2026-10-27T21:32:31.011Z

cve-icon NVD

Status : Deferred

Published: 2026-10-21T00:17:48.957

Modified: 2026-10-27T22:17:23.063

Link: CVE-2026-113706

cve-icon Redhat

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