CVE-2025-26399 PoC — SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability

Source

https://github.com/rxerium/CVE-2025-26399

Associated Vulnerability

Title:SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability (CVE-2025-26399)
Description:SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. This vulnerability is a patch bypass of CVE-2024-28988, which in turn is a patch bypass of CVE-2024-28986.

Description

Detection for CVE-2025-26399

Readme

# CVE-2025-26399

## How does this detection method work?

This script detects SolarWinds Web Help Desk instances vulnerable to CVE-2025-26399 by requesting the Helpdesk login page, confirming product identifiers in the response, extracting the embedded build token as a version string, and flagging systems running versions earlier than 12.8.7.0.

## How do I run this script?

1. Download Nuclei from [here](https://github.com/projectdiscovery/nuclei)
2. Copy the template to your local system
3. Run the following command: `nuclei -u https://yourHost.com -t template.yaml` 

## References

- https://www.solarwinds.com/trust-center/security-advisories/cve-2025-26399
- https://nvd.nist.gov/vuln/detail/CVE-2025-26399


## Disclaimer

Use at your own risk, I will not be responsible for illegal activities you conduct on infrastructure you do not own or have permission to scan.

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---

## Contact

Feel free to reach out via [Signal](https://signal.me/#eu/0Qd68U1ivXNdWCF4hf70UYFo7tB0w-GQqFpYcyV6-yr4exn2SclB6bFeP7wTAxQw) if you have any questions.

File Snapshot


 [4.0K]  /data/pocs/02b024a1c1447b899b4bcd6112922e672fb21cda
├── [1.4K]  CVE-2025-26339.yaml
├── [1.0K]  LICENSE
└── [2.0K]  README.md

1 directory, 3 files

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