CVE-2026-76454

CRITICAL

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 wr...

Affects 0 products across 1 vendor.

CVSS 3.19.1
EPSS0.6%
Percentile46th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, no confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-23: CWE-23
Related Attack Patterns (CAPEC)
CAPEC-76 Manipulating Web Input to File System Calls
via CWE-23
CAPEC-139 Relative Path Traversal
via CWE-23

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical severity vulnerability (CVE-2026-76454) affects the target system. 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 cond...

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Frequently Asked Questions
What is CVE-2026-76454?
A critical severity vulnerability (CVE-2026-76454) affects the target system. 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 cond...
What is the CVSS score for CVE-2026-76454?
CVE-2026-76454 has CVSS 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. EPSS: 0.6%.
Is CVE-2026-76454 actively exploited?
No confirmed active exploitation of CVE-2026-76454 as of 2026-10-11.
How do I remediate CVE-2026-76454?
Apply vendor patches for CVE-2026-76454. Monitor Cisco advisories.
What systems are affected by CVE-2026-76454?
CVE-2026-76454 affects: Cisco.
Vulnerability Details
CVE IDCVE-2026-76454
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Published2026-10-07
Last Modified2026-10-08
ICS Relevance55%
Weakness (CWE)
CWE-23
SourceNVD
Official Description

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.

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductAffected Versions
Cisco — —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 3 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
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