CVE-2025-49136: listmonk's Sprig template Injection vulnerability leads to reading of Environment Variable for low privilege user

CVE-2025-49136 · Severity: low · CVSS 3.1 · Published 2025-06-10

listmonk's Sprig template Injection vulnerability leads to reading of Environment Variable for low privilege user in github.com/knadh/listmonk

Technologies: github.com/knadh/listmonk (Go). Vendors: Go.

Quick answers

Is CVE-2025-49136 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-49136 being exploited in the wild.
How severe is CVE-2025-49136?
Low severity, with a CVSS score of 3.1, published 10 June 2025.
Which products and versions are affected?
github.com/knadh/listmonk (Go) SEMVER:introduced=0, SEMVER:introduced=4.0.0,fixed=5.0.2.
Is there a fix for CVE-2025-49136?
Yes. github.com/knadh/listmonk (Go): upgrade to 5.0.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-49136?
Check whether you run github.com/knadh/listmonk (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/knadh/listmonk (Go): upgrade to 5.0.2 or later
    go get github.com/knadh/listmonk@v5.0.2

Affected products

  • github.com/knadh/listmonk (Go) SEMVER:introduced=0, SEMVER:introduced=4.0.0,fixed=5.0.2

Identifiers

  • CVE-2025-49136
  • GHSA-jc7g-x28f-3v3h
  • GO-2025-3745

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