CVE-2026-27945: GO-2026-4574 - ZITADEL has potential SSRF via Actions in github.com/zitadel/zitadel

CVE-2026-27945 · Severity: medium · CVSS 4 · Published 2026-03-10

ZITADEL has potential SSRF via Actions in github.com/zitadel/zitadel

Technologies: github.com/zitadel/zitadel (Go), github.com/zitadel/zitadel/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2026-27945 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-27945 being exploited in the wild.
How severe is CVE-2026-27945?
Medium severity, with a CVSS score of 4, published 10 March 2026.
Which products and versions are affected?
github.com/zitadel/zitadel (Go) SEMVER:introduced=0,fixed=1.80.0-v2.20.0.20260225053328-b2532e966621; github.com/zitadel/zitadel/v2 (Go) SEMVER:introduced=2.59.0,fixed=4.11.1.
Is there a fix for CVE-2026-27945?
Yes. github.com/zitadel/zitadel (Go): upgrade to 1.80.0-v2.20.0.20260225053328-b2532e966621 or later; github.com/zitadel/zitadel/v2 (Go): upgrade to 4.11.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-27945?
Check whether you run github.com/zitadel/zitadel (Go) or github.com/zitadel/zitadel/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/zitadel/zitadel (Go): upgrade to 1.80.0-v2.20.0.20260225053328-b2532e966621 or later
    go get github.com/zitadel/zitadel@v1.80.0-v2.20.0.20260225053328-b2532e966621
  • github.com/zitadel/zitadel/v2 (Go): upgrade to 4.11.1 or later
    go get github.com/zitadel/zitadel/v2@v4.11.1

Affected products

  • github.com/zitadel/zitadel (Go) SEMVER:introduced=0,fixed=1.80.0-v2.20.0.20260225053328-b2532e966621
  • github.com/zitadel/zitadel/v2 (Go) SEMVER:introduced=2.59.0,fixed=4.11.1

Identifiers

  • CVE-2026-27945
  • GHSA-7777-fhq9-592v
  • GO-2026-4574

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