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PatchSiren cyber security CVE debrief

CVE-2025-69848 NetBox CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-02-03T18:16:17.040Z and has not been modified since then. CVE-2025-69848 is a reflected cross-site scripting (XSS) vulnerability in NetBox versions 2.11.0 through 3.7.x. This vulnerability exists due to improper escaping of object names in HTML error messages, allowing user-controlled content to be rendered in the web interface when a delete operation fails due to protected relationships. This could enable execution of arbitrary client-side code in the context of a privileged user. The vulnerability has a CVSS score of 5.4 and is classified as MEDIUM severity. Organizations using NetBox should prioritize patching or mitigating this vulnerability to prevent potential XSS attacks. The CVE record indicates that evidence is based on official CVE and NVD records. Affected deployments should verify their NetBox versions and assess potential exposure. Defenders should review official advisories for specific guidance on mitigations and patches.

Vendor
NetBox
Product
NetBox
CVSS
MEDIUM 5.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-02-03
Original CVE updated
2026-08-18
Advisory published
2026-02-03
Advisory updated
2026-08-18

Who should care

Organizations using NetBox versions 2.11.0 through 3.7.x should prioritize patching or mitigating this vulnerability to prevent potential XSS attacks. IT administrators, security teams, and developers responsible for NetBox installations should take immediate action. Additionally, security teams and vulnerability management teams should review and assess their current NetBox deployments for potential exposure and prioritize remediation efforts based on their specific risk profiles and operational impact assessments.

Technical summary

A reflected cross-site scripting (XSS) vulnerability exists in NetBox versions 2.11.0 through 3.7.x due to improper escaping of object names in HTML error messages. This allows user-controlled content to be rendered in the web interface when a delete operation fails due to protected relationships, potentially enabling execution of arbitrary client-side code in the context of a privileged user. The vulnerability has a CVSS score of 5.4 and is classified as MEDIUM severity. NetBox users should prioritize patching or mitigating this vulnerability to prevent potential XSS attacks.

Defensive priority

Medium-priority defensive actions are recommended due to the reflected cross-site scripting (XSS) vulnerability in NetBox versions 2.11.0 through 3.7.x.

Recommended defensive actions

  • Inventory and assess NetBox installations for version 2.11.0 through 3.7.x
  • Apply vendor patches or updates to remediate the vulnerability
  • Implement compensating controls such as Web Application Firewalls (WAFs) to detect and prevent XSS attacks
  • Monitor for suspicious activity and exception tracking
  • Retest and verify vulnerability remediation

Evidence notes

The CVE-2025-69848 record indicates a reflected cross-site scripting (XSS) vulnerability exists in NetBox versions 2.11.0 through 3.7.x due to improper escaping of object names in HTML error messages. Evidence is based on official CVE and NVD records. Affected deployments should verify their NetBox versions and assess potential exposure. Defenders should review official advisories for specific guidance on mitigations and patches. The vulnerability allows user-controlled content to be rendered in the web interface when a delete operation fails due to protected relationships, potentially enabling execution of arbitrary client-side code in the context of a privileged user. Organizations should focus on updating or mitigating vulnerable NetBox instances.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-69848 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-69848

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

  • CVE-2025-69848 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-69848

    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.