PatchSiren cyber security CVE debrief
CVE-2025-56798 Lime Technology, Inc. CVE debrief
A Cross-Site Request Forgery (CSRF) vulnerability exists in Unraid OS version 6.12.14 and earlier. This issue allows remote attackers to escalate privileges by exploiting the lax same-site policy of the Unraid authentication cookie. Defenders should assess exposure, particularly those managing Unraid OS deployments, and prioritize verification of affected versions and remediation.
- Vendor
- Lime Technology, Inc.
- Product
- Unraid OS
- CVSS
- HIGH 8.8
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-26
- Original CVE updated
- 2026-09-09
- Advisory published
- 2026-08-26
- Advisory updated
- 2026-09-09
Who should care
Defenders managing Unraid OS deployments, particularly those using version 6.12.14 or earlier, should assess exposure and prioritize verification of affected versions and remediation. This includes IT administrators, security teams, and system operators responsible for maintaining Unraid OS systems.
Why it matters
The CVE-2025-56798 vulnerability in Unraid OS allows remote attackers to escalate privileges via a CSRF attack. Defenders managing Unraid OS deployments should assess exposure, prioritize verification of affected versions, and implement remediation or compensating controls.
- Defenders need to verify if their Unraid OS version is affected and prioritize upgrading to a fixed version if available.
- Implementing compensating controls such as validating cookie same-site policies and monitoring for suspicious authentication activity is crucial.
- The vulnerability allows remote attackers to escalate privileges, potentially leading to unauthorized access and control of Unraid OS systems.
- Defenders should monitor for suspicious authentication activity and implement additional security measures to prevent exploitation.
Technical summary
The CVE-2025-56798 vulnerability is a Cross-Site Request Forgery (CSRF) issue in Unraid OS version 6.12.14 and earlier. The vulnerability allows remote attackers to escalate privileges by exploiting the lax same-site policy of the Unraid authentication cookie. The CVSS score for this vulnerability is 8.8, indicating a high severity level. Defenders should verify if their Unraid OS version is 6.12.14 or earlier and prioritize upgrading to a fixed version if available. In the meantime, consider implementing compensating controls such as validating cookie same-site policies and monitoring for suspicious authentication activity. The CVE record and NVD detail page provide information on the CSRF vulnerability in Un
Defensive priority
Defenders should verify if their Unraid OS version is 6.12.14 or earlier and prioritize upgrading to a fixed version if available. In the meantime, consider implementing compensating controls such as validating cookie same-site policies and monitoring for suspicious authentication activity.
Recommended defensive actions
- Verify Unraid OS version and assess exposure
- Implement compensating controls for cookie same-site policies
- Monitor for suspicious authentication activity
- Prioritize upgrading to a fixed version if available
- 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 and NVD detail page provide information on the CSRF vulnerability in Unraid OS. However, the corpus does not establish specific exploitation instances or confirmed victims. The vendor, Lime Technology, Inc., has not provided a public statement or fix.
Sources and references
Verified primary and authoritative sources
-
CVE-2025-56798 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2025-56798
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2025-56798 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2025-56798
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://alittleinsecure.com/raiding-unraid/
-
Source reference
Unverified legacy reference
URL: https://alittleinsecure.com/unraid-research/
-
Source reference
Unverified legacy reference
URL: https://unraid.net/blog/cvd
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.