src_dd4a4c98d64bc46b3f
- Source-provided label
- Not reported
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Oct 01, 2026 00:00 UTC
- Retrieved
- Oct 08, 2026 03:54 UTC
Revenge of the SD-WAN: Exploring and Exploiting Yet Another Critical Cisco SD-WAN Vulnerability (CVE-2026-76504)
Cisco Catalyst SD-WAN vManager's login module and application server disagree about whether a request path has been URL-decoded yet. That single percent-encoded character gives us CVE-2026-76504. One unauthenticated POST with an arbitrary password triggers a critical authentication bypass that gives an attacker admin-level access to the entire SD-WAN fabric.
Reference details
- Source category
- Research & news
- Report title
Revenge of the SD-WAN: Exploring and Exploiting Yet Another Critical Cisco SD-WAN Vulnerability (CVE-2026-76504)- First reported
- Oct 01, 2026 00:00 UTC
- Last reported
- Oct 01, 2026 00:00 UTC
- Catalog updated
- Oct 08, 2026 03:54 UTC
- Record ID
2cdfd84568f753902b973fab7e13935c7517240fc92ebbb7b500e5d2d27bdaed
CVEs mentioned by sources
Published indicators
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Source observations
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Feed collection status
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1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
Review source update dates and status
- src_dd4a4c98d64bc46b3fCollection status unverifiedLast successful batch: Unverified
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