NCSC-2026-0218 [1.00] [M/H] Vulnerability fixed in Cisco Catalyst Center

unknownCVE-2026-20191

Cisco has fixed a vulnerability in Cisco Catalyst Center. The vulnerability lies in the insufficient validation of user-supplied input, which can be manipulated via specially crafted HTTP requests to gain access to files within a restricted container. This allows unauthenticated attackers to read arbitrary files without authentication, potentially exposing sensitive information. The vulnerability is specifically exploited via HTTP request manipulation.

CSIRTS triage

vendor: Cisco product: Catalyst Center Information disclosure

What: A vulnerability allows unauthenticated attackers to read arbitrary files.
Who is affected: Users of Cisco Catalyst Center.
Urgency: The urgency is unknown, but the vulnerability could expose sensitive information.
Action: Apply the necessary updates as per the security advisories.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: NCSC-NL Advisories (NL · national-cert · site)
Severity: unknown
Published: 2026-07-02
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://advisories.ncsc.nl/advisory?id=NCSC-2026-0218

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-201910.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-20191	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCisco Catalyst Center Arbitrary File Read Vulnerabilitycisco-psirt
medium[UPDATE] [medium] Cisco Catalyst Center: Vulnerability Allows Information Disclosurecert-bund
unknownMultiple vulnerabilities in Cisco products (July 2, 2026)cert-fr-avis
highCVE-2026-20191: A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to re…nvd
highCisco Advance Notification for Publication of July 1, 2026, Security Advisoriescisco-psirt

Recent advisories for Cisco Catalyst Center

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCisco Catalyst Center Arbitrary File Read Vulnerabilitycisco-psirt · 2026-07-06
medium[UPDATE] [medium] Cisco Catalyst Center: Vulnerability Allows Information Disclosurecert-bund · 2026-07-03
highCVE-2026-20191: A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to re…nvd · 2026-07-01