TI-2026-85110 Aliases CVE-2026-76506 GHSA-qxq7-4vcw-5677

Cisco Unified Computing System Central remote code execution flaw

LOW 38CWE-22Published 2026-11-04 · Updated 2026-11-05

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Cisco Unified Computing System Central Software releases from 2.0(1a) onward are listed as affected, including 2.1(2b). The web-based management interface does not sufficiently validate user-supplied input in HTTP requests, a path traversal weakness (CWE-22). An authenticated remote attacker with valid user credentials can send a crafted HTTP request to run arbitrary commands, write arbitrary files, and obtain sensitive information.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

A vulnerability in the web-based management interface of Cisco UCS Central Software could allow an authenticated, remote attacker to achieve remote code execution or conduct information disclosure attacks on an affected device. This vulnerability is due to insufficient validation of user-supplied input in an HTTP request. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected endpoint on an affected device. A successful exploit could allow the attacker to execute arbitrary commands, write arbitrary files to the filesystem, and obtain sensitive information. To exploit this vulnerability, the attacker must have valid user credentials on the affected device. Cisco has released software updates that address this vulnerability There are no workarounds that address this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01363 71st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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 Unified Computing System Central Software	2.0(1e); 2.0(1a); 2.0(1h); 2.0(1g); 2.0(1c); 2.0(1k); 2.0(1l); 2.0(1f); 2.0(1j); 2.0(1b); 2.0(1i); 2.0(1d); 2.0(1m); 2.0(1n); 2.0(1o); 2.0(1p); 2.0(1q); 2.0(1r); 2.0(1s); 2.0(1t); 2.0(1u); 2.0(1v); 2.0(1w); 2.1(1a); 2.1(1b); 2.1(1c); 2.1(2a); 2.1(2b)	—	No fix listed	CNA

Cisco Unified Computing System Central Software VendorCisco Affected 2.0(1e); 2.0(1a); 2.0(1h); 2.0(1g); 2.0(1c); 2.0(1k); 2.0(1l); 2.0(1f); 2.0(1j); 2.0(1b); 2.0(1i); 2.0(1d); 2.0(1m); 2.0(1n); 2.0(1o); 2.0(1p); 2.0(1q); 2.0(1r); 2.0(1s); 2.0(1t); 2.0(1u); 2.0(1v); 2.0(1w); 2.1(1a); 2.1(1b); 2.1(1c); 2.1(2a); 2.1(2b) Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Cisco Unified Computing System Central Software. The source states that Cisco has released software updates for this vulnerability but does not name them, and it lists no workarounds.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

2026-11-04 Threatist record created from CVE-2026-76506
2026-11-04 CISA SSVC decision points changed
2026-11-04 Priority changed: MEDIUM → LOW
2026-11-04 Alias added: GHSA-qxq7-4vcw-5677
2026-11-05 CISA SSVC decision points changed

References

Other 1

cisco-sa-cucs-rce-LzHSFRDQ

TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0

See all 7059 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences