TI-2026-69218 Aliases CVE-2026-76454 GHSA-p5v8-p64j-pj8c

Unauthenticated file write in Cisco License On-Prem API

MEDIUM 48CWE-23Published 2026-10-07 · Updated 2026-10-07

Key facts

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

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

Summary

Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem, contains a flaw in its Smart Licensing Utility API. Improper input validation and missing authentication in the management API (CWE-23) let an unauthenticated remote attacker send a crafted request. Successful exploitation lets the attacker write arbitrary files to the system or cause a denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability in the Cisco Smart Licensing Utility API of Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), could allow an unauthenticated, remote attacker to write arbitrary files to the system or cause a DoS condition on an affected application. This vulnerability is due to improper input validation and a lack of authentication in the management API. An attacker could exploit this vulnerability by sending a crafted request to the affected API. A successful exploit could allow the attacker to modify system files or cause a DoS condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00582 48th 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: Yes
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 License On-Prem	7-202001; 1.1; 6.3.0; 8-202004; 8-202006; 1.2; 1.3; 8-202012; 8-202010; 8-202008; 9-202201; 8-202102; 1.4; 8-202105; 8-202108; 8-202112; 8-202201; 8-202206; 8-202212; 8-202302; 8-202303; 8-202304; 8-202308; 8-202401; 8-202404; 9-202406; 9-202407; 9-202410; 9-202412; 9-202501; 9-202502; 9-202504; 9-202507; 9-202510; 9-202601; 10-202606	—	No fix listed	CNA

Cisco License On-Prem VendorCisco Affected 7-202001; 1.1; 6.3.0; 8-202004; 8-202006; 1.2; 1.3; 8-202012; 8-202010; 8-202008; 9-202201; 8-202102; 1.4; 8-202105; 8-202108; 8-202112; 8-202201; 8-202206; 8-202212; 8-202302; 8-202303; 8-202304; 8-202308; 8-202401; 8-202404; 9-202406; 9-202407; 9-202410; 9-202412; 9-202501; 9-202502; 9-202504; 9-202507; 9-202510; 9-202601; 10-202606 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Cisco License On-Prem.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-07 Threatist record created from CVE-2026-76454
2026-10-07 CISA SSVC decision points changed
2026-10-07 Alias added: GHSA-p5v8-p64j-pj8c

References

Other 1

cisco-sa-ssm-access-nttb2dhE

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