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High 1 vendor · 2 advisories

CVE-2026-20191: Cisco Catalyst Center Arbitrary File Read Vulnerability

CVE-2026-20191 key facts

CISA KEV
Not listed (catalogue checked )
Highest advisory rating
High
CVSS base score
7.5 (Cisco)
Fixed releases
  • Cisco: 3.1.6 GSMU200, 2.3.7.11-VA GSMU100
Vendor advisories
2 from Cisco
Listed by VulniPulse
Record changed

Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-20191; each belongs to its advisory, not to every product listed. How records are collected and checked.

How do I fix CVE-2026-20191?

Upgrade to a fixed release named by the vendor:

  • Cisco: 3.1.6 GSMU200, 2.3.7.11-VA GSMU100
  • Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory. (Cisco)
  • Release 3.1: upgrade to 3.1.6 GSMU200. (Cisco)

Vendor advisories for CVE-2026-20191

Cisco

2 advisories
  • Advisory severityHigh

    High [CVE-2026-20191 +7] Cisco Advance Notification for Publication of July 1, 2026, Security Advisories

    cisco-sa-notice-vwL7b0S7Source published Source updated

    This bulletin covers 8 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    On July 1, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories: Cisco Security Advisory CVE-ID Security Impact Rating CVSS Base Score Cisco Catalyst Center Arbitrary File Read Vulnerability CVE-2026-20191 High 7.5 ClamAV Vulnerabilities Affecting Cisco Products: July 2026 CVE-2026-20216 CVE-2026-20213 CVE-2026-20214 CVE-2026-20215 CVE-2026-20217 CVE-2026-20243 To fully remediate the vulnerabilities that were disclosed on July 1, 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…

    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
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin
  • Advisory severityHigh7.5

    High [CVE-2026-20191] Cisco Catalyst Center Arbitrary File Read Vulnerability

    cisco-sa-catc-file-read-wLH2vf8XSource published Source updated

    A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

    Related products — impact not confirmed
    • Catalyst Center
    Source-reported affected versions
    • Scope: This vulnerability affects Cisco Catalyst Center, both virtual and hardware appliances, regardless of device configuration.
    • Release 3.1 (first fixed: 3.1.6 GSMU200)
    • Release 2.3.7 (first fixed: 2.3.7.11-VA GSMU100)
    • Release 3.1 (first fixed: 3.1.6 GSMU200)
    Source-reported fixed versions
    • 3.1.6 GSMU200
    • 2.3.7.11-VA GSMU100
    Mitigation guidance
    • Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
    • Release 3.1: upgrade to 3.1.6 GSMU200.
    • Release 2.3.7: upgrade to 2.3.7.11-VA GSMU100.
    • Release 3.1: upgrade to 3.1.6 GSMU200.
    Workarounds
    • There are no workarounds that address this vulnerability.
    Full advisory and evidenceOpen source bulletin

References

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