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PatchSiren cyber security CVE debrief

CVE-2026-92356 a2ui-project CVE debrief

A vulnerability was determined in a2ui-project a2ui 0.9/0.9.1. This issue affects the function updateComponents of the file basic_functions.ts of the component Update Components. Executing a manipulation can lead to resource consumption. The attack can be launched remotely. The vulnerability has been reported to the project, but no response has been received yet. Defenders should assess exposure and prioritize verification of affected systems, especially those with remote access or update functionality.

Vendor
a2ui-project
Product
a2ui
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-16
Original CVE updated
2026-09-28
Advisory published
2026-09-16
Advisory updated
2026-09-28

Who should care

Defenders responsible for systems with remote access or update functionality should assess exposure and prioritize verification of affected systems, especially those with remote access or update functionality, due to the potential for resource consumption through remote manipulation. Defenders should also review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

Defenders should assess exposure and prioritize verification of affected systems, especially those with remote access or update functionality, due to the potential for resource consumption through remote manipulation.

  • Verify affected versions and update to a fixed version if available
  • Monitor for suspicious activity related to resource consumption
  • Assess exposure of systems with remote access or update functionality

Technical summary

The vulnerability affects the updateComponents function in basic_functions.ts of the a2ui project, versions 0.9 and 0.9.1. A manipulation can lead to resource consumption, and the attack can be launched remotely. The vulnerability has been reported to the project, but no response has been received yet. The project was informed of the problem early through an issue report but has not responded yet. Defenders should assess exposure and prioritize verification of affected systems, especially those with remote access or update functionality.

Defensive priority

Defenders should assess exposure and prioritize verification of affected systems, especially those with remote access or update functionality.

Recommended defensive actions

  • Assess exposure of systems with remote access or update functionality
  • Verify affected versions and update to a fixed version if available
  • Monitor for suspicious activity related to resource consumption
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the affected versions, exploitation, and remediation. The project was informed of the problem early through an issue report but has not responded yet. The CVE record was published on 2026-09-16T11:17:25.553Z and has not been modified since then. The NVD entry provides official NIST NVD detail page and source-specific vulnerability assessment.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-92356 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-92356

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-92356 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-92356

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.