Citrix patches 26 NetScaler flaws
CERT-FR warns of 26 vulnerabilities in Citrix NetScaler ADC, Gateway and Console allowing DoS, data exposure or integrity compromise; patches available.
Sourcecert.cyber.gouv.fr — open the original
What to check
- Applies to
- The 29 CVEs named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation
- No exploitation in the wild and no public exploit is recorded for the CVEs named.
CERT-FR issued an advisory relaying Citrix security bulletins CTX697305 and CTX697320, covering 26 CVEs affecting Citrix NetScaler ADC, NetScaler Gateway and NetScaler Console. The vulnerabilities span multiple NetScaler ADC branches (13.1-FIPS/NDcPP, 14.1-FIPS, and standard 13.1/14.1 releases) as well as NetScaler Console and NetScaler Gateway. Exploitation could lead to remote denial of service, loss of data confidentiality, loss of data integrity, or bypass of security controls, depending on the specific flaw.
No in-the-wild exploitation is mentioned in this advisory. Citrix has released fixed versions for all affected products (NetScaler ADC 13.1-64.39, 14.1-73.57, 13.1-37.293 FIPS/NDcPP, 14.1-73.58 FIPS; NetScaler Console 14.1-74.34; NetScaler Gateway 13.1-64.39 and 14.1-73.57). Given Citrix NetScaler's history as a frequent target for mass exploitation once patches are reverse-engineered, defenders running these appliances should prioritize patching and monitor vendor guidance closely.
This is a standard CERT-FR vulnerability bulletin consolidating vendor-issued patches; it names no exploited CVE, threat actor, or campaign. Organizations should apply the referenced updates promptly and review Citrix's own bulletins (CTX697305, CTX697320) for per-CVE technical details and applicability to their deployed configuration (FIPS/NDcPP vs standard builds).
Mentioned in this report
Source reporting: https://www.cert.cyber.gouv.fr/avis/CERTFR-2026-AVI-1528
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