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Advisory severityMedium5.3Cisco

Medium [CVE-2026-76431 +3] Cisco Identity Services Engine Multiple Path Traversal Vulnerabilities

This medium-severity Cisco advisory covers CVE-2026-76431 and CVE-2026-76432 and 2 more CVEs affecting ISE Passive Identity Connector, Identity Services Engine Software.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations. This bulletin covers 4 CVEs; its score, affected versions and guidance may apply to different issues within that bulletin.

cisco-sa-ise-multi-traversal-WDTgYCdn Source published Source updated

VulniPulse record published Record updated

CVE-2026-76431CVE-2026-76432CVE-2026-76433CVE-2026-76434
Affected products & platforms
CiscoISEIdentity Services Engine
Open source advisory

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Summary

Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to conduct path traversal attacks on an affected device.

For more information about these vulnerabilities, see the Details section of this advisory.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories.

In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026.

Affected products named by the advisory: Identity Services Engine Software.

Affected versions
  • Scope: At the time of publication, these vulnerabilities affected Cisco ISE and Cisco ISE-PIC, regardless of device configuration.
  • 3.1 — Migrate to a fixed release
  • 3.2 — Migrate to a fixed release
  • Release 3.3 (first fixed: 3.3 Patch 12)
  • Release 3.4 (first fixed: 3.4 Patch 7)
  • Release 3.51 (first fixed: 3.5 Patch 4)

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Fixed versions
  • 3.3 Patch 12
  • 3.4 Patch 7
  • 3.5 Patch 4

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
  • Release 3.1: migrate to a fixed release.
  • Release 3.2: migrate to a fixed release.
  • Release 3.3: upgrade to 3.3 Patch 12.
  • Release 3.4: upgrade to 3.4 Patch 7.
  • Release 3.51: upgrade to 3.5 Patch 4.
Workaround status
  • There are no workarounds that address these vulnerabilities.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

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