A vulnerability has been found in a2aproject a2a-js up to 1.1.0. Impacted is the function ResultManager.applyStatusUpdate of the file src/server/result_manager.ts of the component Task Status Update Handler. Such manipulation leads to race condition. The attack may be launched remotely. Upgrading to version 1.2.0 is recommended to address this issue. The name of the patch is 7b87c9480bfa643f9d2b2eaf06988b3d3a95de25. It is recommended to upgrade the affected component.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00358.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
a2aproject a2a-js affected
Version Status Constraints
1.0 affected —
1.1.0 affected —
1.2.0 unaffected —

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Project Subscriptions

Vendors Products
A2aproject Subscribe
A2a-js Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/a2aproject/a2a-js/ cve-icon cve-icon
https://github.com/a2aproject/a2a-js/commit/7b87c9480bfa643f9d2b2eaf06988b3d3a95de25 cve-icon cve-icon
https://github.com/a2aproject/a2a-js/pull/636 cve-icon cve-icon
https://github.com/a2aproject/a2a-js/releases/tag/v1.2.0 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-118128 cve-icon cve-icon
https://vuldb.com/submit/1015057 cve-icon cve-icon
https://vuldb.com/vuln/427455 cve-icon cve-icon
https://vuldb.com/vuln/427455/cti cve-icon cve-icon
History

Wed, 28 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 27 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in a2aproject a2a-js up to 1.1.0. Impacted is the function ResultManager.applyStatusUpdate of the file src/server/result_manager.ts of the component Task Status Update Handler. Such manipulation leads to race condition. The attack may be launched remotely. Upgrading to version 1.2.0 is recommended to address this issue. The name of the patch is 7b87c9480bfa643f9d2b2eaf06988b3d3a95de25. It is recommended to upgrade the affected component.
Title a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition
First Time appeared A2aproject
A2aproject a2a-js
Weaknesses CWE-362
CPEs cpe:2.3:a:a2aproject:a2a-js:*:*:*:*:*:*:*:*
Vendors & Products A2aproject
A2aproject a2a-js
References
Metrics cvssV2_0

{'score': 6.4, 'vector': 'AV:N/AC:L/Au:N/C:N/I:P/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 6.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-28T16:12:56.611Z

Reserved: 2026-10-27T16:46:21.253Z

Link: CVE-2026-118128

cve-icon Vulnrichment

Updated: 2026-10-28T15:54:31.931Z

cve-icon NVD

Status : Deferred

Published: 2026-10-27T23:16:58.687

Modified: 2026-10-28T17:18:22.047

Link: CVE-2026-118128

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T00:00:22Z

Weaknesses