CVE-2025-14987: GO-2026-4273 - Temporal has an Incorrect Authorization vulnerability in go.temporal.io/server

CVE-2025-14987 · Severity: medium · CVSS 4 · Published 2026-01-14

Temporal has an Incorrect Authorization vulnerability in go.temporal.io/server

Technologies: go.temporal.io/server (Go). Vendors: Go.

Quick answers

Is CVE-2025-14987 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-14987 being exploited in the wild.
How severe is CVE-2025-14987?
Medium severity, with a CVSS score of 4, published 14 January 2026.
Which products and versions are affected?
go.temporal.io/server (Go) SEMVER:introduced=0,fixed=1.27.4, SEMVER:introduced=0,fixed=1.27.4,introduced=1.28.0,fixed=1.28.2,introduced=1.29.0,fixed=1.29.2.
Is there a fix for CVE-2025-14987?
Yes. go.temporal.io/server (Go): upgrade to 1.27.4, 1.29.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-14987?
Check whether you run go.temporal.io/server (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

  • go.temporal.io/server (Go): upgrade to 1.27.4, 1.29.2 or later
    go get go.temporal.io/server@v1.29.2

Affected products

  • go.temporal.io/server (Go) SEMVER:introduced=0,fixed=1.27.4, SEMVER:introduced=0,fixed=1.27.4,introduced=1.28.0,fixed=1.28.2,introduced=1.29.0,fixed=1.29.2

Identifiers

  • CVE-2025-14987
  • GHSA-hmhp-gh8m-c8xp
  • GO-2026-4273

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.