CVE-2025-26391 json
SolarWinds Observability Self-Hosted XSS Vulnerability
published 2025-11-18 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-197927
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
SolarWinds Observability Self-Hosted XSS Vulnerability. The SolarWinds Platform was susceptible to a XSS vulnerability that affects user-created URL fields. This vulnerability requires authentication from a low-level account.
Patch / fix
- solarwinds observability_self-hosted 2025.4.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected products
- SolarWinds SolarWinds Observability Self-Hosted
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
solarwinds.com
/trust-center/security-advisories/CVE-2025-26391
vendor-advisory
-
documentation.solarwinds.com
/en/success_center/orionplatform/content/release_notes/hco_2025-4-1_release_notes.htm
release-notes, vendor-advisory
Sources
- CVE List CVE-2025-26391
- NVD CVE-2025-26391
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