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

Source: https://junglewise.ai/threats/cve-2025-49136-listmonk-s-sprig-template-injection-vulnerability-leads-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-06-10  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/github-com-knadh-listmonk). Vendors: [Go](https://junglewise.ai/threats/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

  ```sh
  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

## Related threats

- [knadh listmonk SQL injection in subscriber export endpoint](https://junglewise.ai/threats/cve-2026-62361-knadh-listmonk-sql-injection-in-subscriber-export-endpoint)
- [knadh listmonk insufficient session expiration after password change](https://junglewise.ai/threats/cve-2026-34828-knadh-listmonk-insufficient-session-expiration-after-password)
- [GO-2026-4277 - listmonk Vulnerable to Stored XSS Leading to Admin Account Takeover in github.com/knadh/listmonk](https://junglewise.ai/threats/cve-2026-21483-listmonk-vulnerable-to-stored-xss-leading-to-admin-account)
- [GO-2025-3943 - listmonk: CSRF to XSS Chain can Lead to Admin Account Takeover in github.com/knadh/listmonk](https://junglewise.ai/threats/cve-2025-58430-listmonk-csrf-to-xss-chain-can-lead-to-admin-account-takeover)