{"id":"CVE-2025-26397","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-26397","generatedAt":"2026-10-27T23:58:46.897Z","title":"SolarWinds Observability Self-Hosted is susceptible to Deserialization of Untrusted Data Local Privilege Escalation vulnerability.","description":"SolarWinds Observability Self-Hosted is susceptible to Deserialization of Untrusted Data Local Privilege Escalation vulnerability. An attacker with low privileges can escalate privileges to run malicious files copied to a permission-protected folder. This vulnerability requires authentication from a low-level account and local access to the host server.","published":"2025-07-24T08:15:30.000Z","lastModified":"2026-06-17T09:01:42.000Z","status":"Analyzed","sourceIdentifier":"psirt@solarwinds.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":["solarwinds/observability self-hosted"],"epss":{"score":0.00345,"percentile":0.27849,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/solarwinds_platform_2025-2-1_release_notes.htm","tags":["Release Notes"],"source":"psirt@solarwinds.com"},{"url":"https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26397","tags":["Patch","Vendor Advisory"],"source":"psirt@solarwinds.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-26397","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}