CVE-2024-24824
Starting in version 2.0.0 and prior to versions 5.1.11 and 5.2.4, arbitrary classes can be loaded and instantiated using a HTTP PUT request to the `/api/system/cluster_config/` endpoint.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 34.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Graylog is a free and open log management platform. Starting in version 2.0.0 and prior to versions 5.1.11 and 5.2.4, arbitrary classes can be loaded and instantiated using a HTTP PUT request to the `/api/system/cluster_config/` endpoint. Graylog's cluster config system uses fully qualified class names as config keys. To validate the existence of the requested class before using them, Graylog loads the class using the class loader. If a user with the appropriate permissions performs the request, arbitrary classes with 1-arg String constructors can be instantiated. This will execute arbitrary code that is run during class instantiation. In the specific use case of `java.io.File`, the behavior of the internal web-server stack will lead to information exposure by including the entire file content in the response to the REST request. Versions 5.1.11 and 5.2.4 contain a fix for this issue.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 34.74% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-284, CWE-863
- Affected
- graylog/graylog
- Source
- security-advisories@github.com
EPSS 34.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/Graylog2/graylog2-server/blob/e458db8bf4f789d4d19f1b37f0263f910c8d036c/graylog2-server/src/main/java/org/graylog2/rest/resources/system/ClusterConfigResource.java#L208-L214Product
- https://github.com/Graylog2/graylog2-server/commit/75ef2b8d60e7d67f859b79fe712c8ae7b2e861d8Patch
- https://github.com/Graylog2/graylog2-server/commit/7f8ef7fa8edf493106d5ef6f777d4da02c5194d9Patch
- https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-p6gg-5hf4-4rgjExploit, Vendor Advisory
- https://github.com/Graylog2/graylog2-server/blob/e458db8bf4f789d4d19f1b37f0263f910c8d036c/graylog2-server/src/main/java/org/graylog2/rest/resources/system/ClusterConfigResource.java#L208-L214Product
- https://github.com/Graylog2/graylog2-server/commit/75ef2b8d60e7d67f859b79fe712c8ae7b2e861d8Patch
- https://github.com/Graylog2/graylog2-server/commit/7f8ef7fa8edf493106d5ef6f777d4da02c5194d9Patch
- https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-p6gg-5hf4-4rgjExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.