Cisco Identity Services Engine Information Disclosure Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device. This vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Identity Services Engine Software | 3.4.0; 3.4 Patch 1; 3.4 Patch 2; 3.4 Patch 3; 3.5.0; 3.4 Patch 4; 3.5 Patch 1; 3.4 Patch 5; 3.5 Patch 3; 3.5 Patch 2; 3.4 Patch 6 | — | No fix listed | CNA |
| Cisco | Cisco ISE Passive Identity Connector | 3.4.0; 3.5.0 | — | No fix listed | CNA |
- Cisco Identity Services Engine Software VendorCisco Affected 3.4.0; 3.4 Patch 1; 3.4 Patch 2; 3.4 Patch 3; 3.5.0; 3.4 Patch 4; 3.5 Patch 1; 3.4 Patch 5; 3.5 Patch 3; 3.5 Patch 2; 3.4 Patch 6 Fixed in — No fix listed CNA
- Cisco ISE Passive Identity Connector VendorCisco Affected 3.4.0; 3.5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:* | 3.4.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:* | 3.4.0 patch1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch2:*:*:*:*:*:* | 3.4.0 patch2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch3:*:*:*:*:*:* | 3.4.0 patch3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch4:*:*:*:*:*:* | 3.4.0 patch4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch5:*:*:*:*:*:* | 3.4.0 patch5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch6:*:*:*:*:*:* | 3.4.0 patch6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* | 3.4.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* | 3.4.0 patch1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch2:*:*:*:*:*:* | 3.4.0 patch2 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:* Versions 3.4.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:* Versions 3.4.0 patch1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch2:*:*:*:*:*:* Versions 3.4.0 patch2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch3:*:*:*:*:*:* Versions 3.4.0 patch3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch4:*:*:*:*:*:* Versions 3.4.0 patch4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch5:*:*:*:*:*:* Versions 3.4.0 patch5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch6:*:*:*:*:*:* Versions 3.4.0 patch6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* Versions 3.4.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* Versions 3.4.0 patch1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch2:*:*:*:*:*:* Versions 3.4.0 patch2 Vulnerable ·Cisco
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch3:*:*:*:*:*:* | 3.4.0 patch3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch4:*:*:*:*:*:* | 3.4.0 patch4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch5:*:*:*:*:*:* | 3.4.0 patch5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch6:*:*:*:*:*:* | 3.4.0 patch6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.5.0:-:*:*:*:*:*:* | 3.5.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch1:*:*:*:*:*:* | 3.5.0 patch1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch2:*:*:*:*:*:* | 3.5.0 patch2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch3:*:*:*:*:*:* | 3.5.0 patch3 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch3:*:*:*:*:*:* Versions 3.4.0 patch3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch4:*:*:*:*:*:* Versions 3.4.0 patch4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch5:*:*:*:*:*:* Versions 3.4.0 patch5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch6:*:*:*:*:*:* Versions 3.4.0 patch6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.5.0:-:*:*:*:*:*:* Versions 3.5.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch1:*:*:*:*:*:* Versions 3.5.0 patch1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch2:*:*:*:*:*:* Versions 3.5.0 patch2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch3:*:*:*:*:*:* Versions 3.5.0 patch3 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-76444
- 2026-10-03 Alias added: GHSA-9ppp-pq44-73v7
References
Advisory 1
More Cisco Identity Services Engine vulnerabilities
- TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2025-14632 Cisco ISE API Unauthenticated Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2025-14578 Cisco ISE API Unauthenticated Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2025-14579 Cisco ISE API Unauthenticated Remote Code Execution Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2022-05522 OS command injection in Cisco Identity Services Engine Software CVSS 3.1HIGH 8.8
Sources
- CVE-2026-76444 · CVE Program
- CVE-2026-76444 · NVD
- FIRST EPSS
- GHSA-9ppp-pq44-73v7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences