Quick answers
- Is CVE-2026-103674 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-103674 being exploited in the wild.
- How severe is CVE-2026-103674?
- Informational severity, published 6 November 2026.
- Which products and versions are affected?
- Checkmk 2.5.0 before 2.5.0p16.
- Is there a fix for CVE-2026-103674?
- Yes: fixed in Checkmk 2.5.0p16, 3.0.0b1 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-103674 attacked?
- It is attacked with local access, in a web application.
- Am I affected by CVE-2026-103674?
- Check whether you run Checkmk 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
- Fixed in: Checkmk 2.5.0p16, 3.0.0b1 and later
Technical details
The NetApp ONTAP special agent invokes with the login password as a plaintext command-line argument, allowing any local user to extract it via process enumeration (e.g., ps command). The vulnerability affects both explicitly configured passwords and those retrieved from Checkmk's password store. Additionally, passwords starting with a dash character cause the agent to fail with a parsing error.
Affected products
- Checkmk Checkmk 2.5.0 before 2.5.0p16
Timeline
- 2026-11-06: disclosed
- 2026-09-30: patched: Fix released in 2.5.0p16 and 3.0.0b1