CVE-2026-76479 (GCVE-0-2026-76479)
Vulnerability from cvelistv5 – Published: 2026-10-21 16:15 – Updated: 2026-10-21 16:15
VLAI
EPSS
VEX
Title
Cisco Unified Communications Products Hardening Release: October 2026 - Path Traversal Vulnerabilities
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-76479 are related to issues concerning improper limitation of a pathname to a restricted directory that are grouped under the Common Weakness Enumeration (CWE) Base CWE-22.
Severity
7.8 (High)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
Impacted products
4 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Cisco | Cisco Emergency Responder |
Affected:
14
Affected: 14SU1 Affected: 14SU2 Affected: 14SU3 Affected: 14SU3a Affected: 15 Affected: 15SU1 Affected: 15SU1a Affected: 14SU4 Affected: 15SU2 Affected: 15SU3 Affected: 14SU5 Affected: 15SU4 Affected: 14SU6 |
guessed | |
| Cisco | Cisco Unified Communications Manager |
Affected:
14
Affected: 14SU1 Affected: 14SU2 Affected: 14SU3 Affected: 15 Affected: 15SU1 Affected: 14SU4 Affected: 14SU4a Affected: 15SU1a Affected: 15SU2 Affected: 15.0.1.13010-1 Affected: 15.0.1.13011-1 Affected: 15.0.1.13012-1 Affected: 15.0.1.13013-1 Affected: 15.0.1.13014-1 Affected: 15.0.1.13015-1 Affected: 15.0.1.13016-1 Affected: 15.0.1.13017-1 Affected: 15SU3a Affected: 14SU5 Affected: 15SU4 Affected: 15SU4a Affected: 14SU6 |
guessed | |
| Cisco | Cisco Unified Communications Manager IM and Presence Service |
Affected:
14
Affected: 14SU1 Affected: 14SU2 Affected: 14SU2a Affected: 14SU3 Affected: 15 Affected: 15SU1 Affected: 14SU4 Affected: 15SU2 Affected: 15SU3 Affected: 14SU5 Affected: 15SU4 Affected: 14SU6 |
guessed | |
| Cisco | Cisco Unity Connection |
Affected:
14
Affected: 14SU1 Affected: 14SU2 Affected: 14SU3 Affected: 14SU3a Affected: 15 Affected: 15SU1 Affected: 14SU4 Affected: 15SU2 Affected: 15SU3 Affected: 14SU5 Affected: 15SU4 Affected: 14SU6 |
guessed |
{
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{
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{
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{
"status": "affected",
"version": "15.0.1.13012-1"
},
{
"status": "affected",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
"version": "14SU3"
},
{
"status": "affected",
"version": "14SU3a"
},
{
"status": "affected",
"version": "15"
},
{
"status": "affected",
"version": "15SU1"
},
{
"status": "affected",
"version": "14SU4"
},
{
"status": "affected",
"version": "15SU2"
},
{
"status": "affected",
"version": "15SU3"
},
{
"status": "affected",
"version": "14SU5"
},
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"status": "affected",
"version": "15SU4"
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}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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}
],
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"descriptions": [
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"description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-21T16:15:55.144Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-voice-hardening-twgbH9e3",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3"
}
],
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"defects": [
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],
"discovery": "INTERNAL"
},
"title": "Cisco Unified Communications Products Hardening Release: October 2026 - Path Traversal Vulnerabilities"
}
},
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"datePublished": "2026-10-21T16:15:55.144Z",
"dateReserved": "2026-08-19T12:02:03.639Z",
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"state": "PUBLISHED"
},
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{
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{
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{
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{
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"value": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM \u0026amp; Presence Service (Unified CM IM\u0026amp;P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-76479 are related to issues concerning improper limitation of a pathname to a restricted directory that are grouped under the Common Weakness Enumeration (CWE) Base CWE-22."
}
],
"id": "CVE-2026-76479",
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}
}
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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