01 Record
CVE-2026-118128
a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition
MediumPUBLISHEDCNA: VulDB
CNA base score6.9 CVSS v4.0CVSS: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
02 Description
a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race condition
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.35% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 29.4% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS 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/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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-28.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-27 22:15Z1 DAY AGO
- Last updated
- 2026-10-28 16:12Z16 HR AGO
- Reserved
- 2026-10-27
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS 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
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- Data version
- 5.2
- Document digest
- e4954fab62e273ded26278923718ef64f9e9a117fc618925b1093f8c39b25f29
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-427455 | a2aproject a2a-js Task Status Update result_manager.ts ResultManager.applyStatusUpdate race conditionhttps://vuldb.com/vuln/427455
- vuldb.comVDB-427455 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/427455/cti
- vuldb.comCVE-2026-118128 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-118128
- vuldb.comSubmit #1015057 | a2aproject a2a-js ≤ 1.1.0 CWE-362https://vuldb.com/submit/1015057
- github.comhttps://github.com/a2aproject/a2a-js/pull/636
- github.comhttps://github.com/a2aproject/a2a-js/commit/7b87c9480bfa643f9d2b2eaf06988b3d3a95de25
- github.comhttps://github.com/a2aproject/a2a-js/releases/tag/v1.2.0
- github.comhttps://github.com/a2aproject/a2a-js/