CVE-2026-72813 actix CVE debrief

Who should care

Defenders responsible for actix-files deployments should assess exposure and prioritize patching or mitigation to prevent potential denial of service via process crash. This includes reviewing the version of actix-files in use, applying patches or mitigations as necessary, and monitoring for GET requests with empty Range headers. Additionally, defenders should review compensating controls for exposed systems while remediation is scheduled and verified, and

Why it matters

CVE-2026-72813 is a denial of service vulnerability in actix-files before version 0.6.10. Defenders responsible for actix-files deployments should assess exposure and prioritize patching or mitigation to prevent potential denial of service via process crash.

• Denial of service via process crash
• Potential for on-demand exploitation

Technical summary

The vulnerability is triggered by an empty Range header in GET requests for static files. When panic is set to abort, remote attackers can crash the process on-demand by sending a GET request with an empty Range header. This denial of service vulnerability can be exploited by remote attackers without requiring authentication or other preconditions. The vulnerability affects actix-files versions before 0.6.10. The technical details of the vulnerability are limited to the information provided in the CVE record and NVD vulnerability detail page.

Defensive priority

Defenders should prioritize verifying the version of actix-files in use and applying patches or mitigations as necessary.

Recommended defensive actions

• Verify the version of actix-files in use
• Apply patches or mitigations as necessary
• Monitor for GET requests with empty Range headers
• 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 vulnerability is described in the CVE record and the NVD vulnerability detail page. Additional information is available from source references. The CVE record was published on 2026-08-14T12:16:44.260Z and has not been modified since then. The NVD vulnerability detail page provides further details about the vulnerability, including its CVSS score and severity. However, the exact scope of affected systems and potential impact on specific deployments is not explicitly stated in the CVE record or NVD page. Defenders should verify the

Sources and 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.