CVE-2026-76471
CVE-2026-76471: 2 tracked advisory records across Cisco. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Cisco
2 advisories- Advisory severityCritical9.8
Critical [CVE-2026-76471] Cisco NX-OS Software NX-API Remote Code Execution Vulnerability
cisco-sa-napi-rce-r2shwu2jSource published Source updated
A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation of data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes, which could result in a reload of the device and a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of a group of…
- Affected products in this advisory
- NX-OS Software
- Nexus 3000 Series Switches
- Nexus 9000 Series Switches
- Unified Computing System (Managed)
- Source-reported affected versions
- Scope: This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco NX-OS Software and have the NX-API feature enabled:
- 4.2 and earlier — Migrate to a fixed release
- Release 4.3 (first fixed: 4.3(6j))
- Source-reported fixed versions
- 4.3(6j)
- Mitigation guidance
- Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
- Release 4.2 and earlier: migrate to a fixed release.
- Release 4.3: upgrade to 4.3(6j).
- Workarounds
- There are no workarounds that address this vulnerability.
- Live Protect Shield
- Cisco has released a Live Protect shield for CVE-2026-76471 to temporarily mitigate this vulnerability for Cisco NX-OS Software.
- For information about Live Protect for Cisco NX-OS Software, see Cisco Nexus 9000 Series NX-OS Security Configuration Guide.
1 more entries in the full advisory.
- Advisory severityUnrated
Advisory [CVE-2026-20032 +13] Cisco Advance Notification for Publication of October 7, 2026, Security Advisories
cisco-sa-notice-fBn58ELxSource published Source updated
This bulletin covers 14 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
On October 7, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate the vulnerabilities that were disclosed on October 7, 2026, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery. Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco NX-OS Software Security Hardening Release: October 2026 Critical 9.8 Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability Cisco NX-OS Software NX-API Remote Code…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- To remediate the vulnerabilities that were disclosed on October 7, 2026, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories.
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