Medium severity · published Nov 18, 2025
CVE-2025-40545
SolarWinds Observability Self-Hosted is susceptible to an open redirection vulnerability
4.4
CVSS
0.3%
EPSS
No
On KEV
Description
SolarWinds Observability Self-Hosted is susceptible to an open redirection vulnerability. The URL is not properly sanitized, and an attacker could manipulate the string to redirect a user to a malicious site. The attack complexity is high, and authentication is required.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Observability Self-hosted · Solarwinds
before 2025.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-40545
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-40545
Release Notes
https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2025-4-1_release_notes.htm
Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40545
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