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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-20108

CVE-2026-20108: 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.

NVD detail CVE.org

Vendor advisory comparison

Cisco

1 advisory
  • Advisory severityMedium5.4

    Medium [CVE-2026-20108] Cisco Catalyst SD-WAN Manager Cross-Site Scripting Vulnerability

    cisco-sa-vmanage-xss-ZqkhP9W9Source published Source updated

    A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based informatio…

    Related products — impact not confirmed
    • Cisco Catalyst SD-WAN Manager
    Source-reported affected versions
    • Scope: At the time of publication, this vulnerability affected Cisco Catalyst SD-WAN Manager, regardless of device configuration.
    • Release 20.12 (first fixed: 20.12.5.3)
    • Release 20.12.6.1 (first fixed: 20.131)
    • Release Migrate to a fixed release (first fixed: 20.141)

    4 more entries in the full advisory.

    Source-reported fixed versions
    • 20.12.5.3
    • 20.131
    • 20.141
    • 20.15

    2 more entries in the full advisory.

    Mitigation guidance
    • Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
    • Release 20.12: upgrade to 20.12.5.3.
    • Release 20.12.6.1: upgrade to 20.131.
    • Release Migrate to a fixed release: upgrade to 20.141.

    4 more entries in the full advisory.

    Workarounds
    • There are no workarounds that address this vulnerability.
    Full advisory and evidenceOpen source bulletin

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