CVE-2026-20148
ZDI-26-582: Cisco Identity Services Engine PatchUpdateListener Directory Traversal Information Disclosure Vulnerability
Published Aug 13, 2026
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Cisco Identity Services Engine. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.9. The following CVEs are assigned: CVE-2026-20148.
Timeline
Detection, updates, and resolution for this record.
Aug 13, 2026 · Catalog
Detected
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Cisco Identity Services Engine. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.9. The following CVEs are assigned: CVE-2026-20148.
Sources
- CVE.orgCVE-2026-20148
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-20148
30-day exploitation probability 6.5%
first.org - Zero Day InitiativeZDI-26-582
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Cisco Identity Services Engine. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.9. The following CVEs are assigned: CVE-2026-20148.
zerodayinitiative.com