XXE in Solarwinds Web Help Desk
CVE-2025-26400
SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulnerability that could lead to information disclosure. A valid, low-privilege access is required unless the attacker had access to the local server to modify configuration files.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Solarwinds Web Help Desk — versions 12.8.6 and previous versions
- Solarwinds Web Help Desk
Weakness classification (CWE)
References
- www.solarwinds.com/trust-center/security-advisories/CVE-2025-26400 (Patch, Vendor Advisory)
- documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12… (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-26400?
- CVE-2025-26400 is a medium-severity vulnerability in Solarwinds Web Help Desk, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.3/10. Published 2025-07-29.
- How severe is CVE-2025-26400?
- Medium severity. CVSS v3 base score is 5.3 out of 10.