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PatchSiren cyber security CVE debrief

CVE-2026-41473 usmannasir CVE debrief

CVE-2026-41473 is an authentication bypass vulnerability in CyberPanel versions prior to 2.4.4. The vulnerability exists in the AI Scanner worker API endpoints, specifically /api/ai-scanner/status-webhook and /api/ai-scanner/callback. This allows unauthenticated remote attackers to write arbitrary data to the database, potentially leading to denial of service through storage exhaustion, corruption of scan history records, and pollution of database fields with malicious data. The vulnerability has a high CVSS score of 8.8 and is classified as HIGH severity. Administrators and users of CyberPanel versions prior to 2.4.4 should be aware of this vulnerability and take immediate action to update to version 2.4.4 or later.

Vendor
usmannasir
Product
cyberpanel
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-24
Original CVE updated
2026-07-14
Advisory published
2026-04-24
Advisory updated
2026-07-14

Who should care

Administrators and users of CyberPanel versions prior to 2.4.4 should be aware of this vulnerability and take immediate action to update to version 2.4.4 or later. This vulnerability can be exploited by unauthenticated remote attackers, making it a high-risk issue. The vulnerability affects the AI Scanner worker API endpoints, specifically /api/ai-scanner/status-webhook and /api/ai-scanner/callback.

Technical summary

The vulnerability exists due to a lack of authentication checks in the AI Scanner worker API endpoints, specifically /api/ai-scanner/status-webhook and /api/ai-scanner/callback. This allows attackers to send requests without authentication, enabling them to write arbitrary data to the database. The affected product is CyberPanel versions prior to 2.4.4. The vulnerability has a high CVSS score of 8.8 and is classified as HIGH severity. The technical impact includes potential denial of service through storage exhaustion, corruption of scan history records, and pollution of database fields with malicious data.

Defensive priority

High

Recommended defensive actions

  • Update CyberPanel to version 2.4.4 or later
  • Restrict access to the AI Scanner worker API endpoints
  • Monitor database activity for suspicious changes
  • Implement additional authentication and authorization checks for API endpoints
  • 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

Evidence notes

The CVE record was published on 2026-04-24T21:16:19.113Z and was last modified on 2026-07-14T21:16:51.670Z. The NVD entry is currently Analyzed. This information is based on the provided source corpus and may not reflect the full scope of the vulnerability. Defenders should verify the affected scope and severity with the official CVE record and NVD entry. The CVE record and NVD entry provide details on the authentication bypass vulnerability in CyberPanel versions prior to 2.4.4.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-24T21:16:19.113Z and has not been modified since then. The NVD entry is currently Analyzed.