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CVE-2024-56136
NixOS vulnerability analysis and mitigation

Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an email address is in use by a user. Zulip Server 9.4 resolves the issue, as does the main branch of Zulip Server. Users are advised to upgrade. There are no known workarounds for this issue.


SourceNVD

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-91782LOW1.9
  • NixOS logoNixOS
  • binutils
NoYesSep 15, 2026
CVE-2026-91781LOW1.9
  • NixOS logoNixOS
  • binutils
NoYesSep 15, 2026
CVE-2026-91780LOW1.9
  • NixOS logoNixOS
  • binutils
NoNoSep 15, 2026
CVE-2026-91779LOW1.9
  • NixOS logoNixOS
  • binutils
NoNoSep 15, 2026
CVE-2026-90831LOW1.9
  • NixOS logoNixOS
  • seal-binutils
NoYesSep 14, 2026

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