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:rotating_light: New critical SAML CVE tonight: CV...
# citrix-netscaler
t
Thomas Poppelgaard
10/08/2026, 9:50 PM
🚨
New critical SAML CVE tonight: CVE-2026-107406
(
CTX697191
, CVSS 9.5, SAML → RCE, no workaround) Heads-up for anyone who just patched to 73.41 / 64.28: if your NetScaler is a
SAML IdP
, you need to
upgrade again
to
14.1-73.46 / 13.1-64.29
(FIPS: 73.46 / 37.283). SAML SP only (e.g. Entra ID → Gateway) on 73.37–73.41 is not affected by this one. 🛠️
Checker v1.16 is out (GA)
: it checks CVE-2026-107406 against your build and SAML role, and points every upgrade to the one build that fixes all three bulletins. It also includes the
v5v.in
/ 72.5.65.111 indicators from the thread here last night. Thanks for sharing 🙏 • Script:
github.com/ThomasPoppelgaard/netscaler-ctx697096-checker
• Release notes:
github.com/ThomasPoppelgaard/netscaler-ctx697096-checker/…/1.16
📝
Blog updated
with a flowchart and an “am I affected?” table:
poppelgaard.com/cve-2026-88771-through-cve-2026-88778-what-you-should-know-and-how-to-fix-your-netscaler-adc-netscaler-gateway#…
Feedback and (sanitised) output welcome!
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