What’s Vulnerable › Vulnerabilities

CVE-2022-46836: PHP code injection in watolib

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-20 · updated 2026-06-17
• Weakness: CWE-20

Description

PHP code injection in watolib auth.php and hosttags.php in Tribe29's Checkmk <= 2.1.0p10, Checkmk <= 2.0.0p27, and Checkmk <= 1.6.0p29 allows an attacker to inject and execute PHP code which will be executed upon request of the vulnerable component.

Affected products

• Checkmk GmbH Checkmk: 2.1.0, 2.1.0-b1, 2.1.0-b2, 2.1.0-b3, 2.1.0-b4, 2.1.0-b5 (+93)

References

• https://checkmk.com/werk/14383
• https://www.sonarsource.com/blog/checkmk-rce-chain-3/
• https://checkmk.com/werk/14383
• https://www.sonarsource.com/blog/checkmk-rce-chain-3/

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