CVE-2025-26391

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.

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2025-11-18

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• solarwinds:observability_self-hosted

References

• https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2025-4-1_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26391

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