CVE-2026-20126
CVE-2026-20126: 1 tracked advisory record 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
1 advisory- Advisory severityCritical9.8
Critical [CVE-2026-20122 +4] Cisco Catalyst SD-WAN Vulnerabilities
cisco-sa-sdwan-authbp-qwCX8D4vSource published Source updated
This bulletin covers 5 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Multiple vulnerabilities in Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an attacker to access an affected system, elevate privileges to root, gain access to sensitive information, and overwrite arbitrary files. 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. Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.
- Related products — impact not confirmed
- Catalyst SD-WAN Manager
- Source-reported affected versions
- Scope: These vulnerabilities affect Cisco Catalyst SD-WAN Manager, regardless of device configuration.
- Earlier than 20.91 — Migrate to a fixed release
- Release 20.9 (first fixed: 20.9.8.2)
- Release 20.10 (first fixed: 20.12.6.1)
7 more entries in the full advisory.
- Source-reported fixed versions
- 20.9.8.2
- 20.12.6.1
- 20.12.5.3
- 20.131
4 more entries in the full advisory.
- Mitigation guidance
- Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.
- Workarounds
- There are no workarounds that address these vulnerabilities. Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.
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