CVE-2026-118128
a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition
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 profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition
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.
- Record
CVE-2026-118128- CVSS 4.0
- 6.9 Medium
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 - CVSS 3.1
- 6.5 Medium
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 - CVSS 3.0
- 6.5 Medium
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 - CVSS 2.0
- 6.4
AV:N/AC:L/Au:N/C:N/I:P/A:P/E:ND/RL:OF/RC:C - Weakness
- CWE-362
- Updated
- 2026-11-02
EUVDEUVD-2026-111404
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.
- Record
EUVD-2026-111404- CVSS 4.0
- 6.9 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-52g9-jqfx-3hp5
A vulnerability has been found in a2aproject a2a-js up to 1.1.0. Impacted is the function...
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.
- Record
GHSA-52g9-jqfx-3hp5- CVSS 4.0
- 6.9 Medium
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-362
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-118128- CVSS 4.0
- 6.9 Medium
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-362
- Updated
- 2026-11-02
OSV
a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition
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.
- Record
CVE-2026-118128- CVSS 4.0
- 6.9 Medium
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 - Weakness
- CWE-362
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-118128 is a medium vulnerability (CVSS 6.9) in A2aproject A2a-js, published October 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.