Graylog is a free and open log management platform. A partial path traversal vulnerability exists in Graylog's Support Bundle feature. The vulnerability is caused by incorrect user input validation in an HTTP API resource. Graylog's Support Bundle feature allows an attacker with valid Admin role credentials to download or delete files in sibling directories of the support bundle directory. The default data_dir in operating system packages (DEB, RPM) is set to /var/lib/graylog-server. The data directory for the Support Bundle feature is always /support-bundle. Due to the partial path traversal vulnerability, an attacker with valid Admin role credentials can read or delete files in directories that start with a /var/lib/graylog-server/support-bundle directory name. The vulnerability would allow the download or deletion of files in the following example directories: /var/lib/graylog-server/support-bundle-test and /var/lib/graylog-server/support-bundlesdirectory. For the Graylog Docker images, the data_dir is set to /usr/share/graylog/data by default. This vulnerability is fixed in Graylog version 5.1.3 and later. Users are advised to upgrade. Users unable to upgrade should block all HTTP requests to the following HTTP API endpoints by using a reverse proxy server in front of Graylog. GET /api/system/debug/support/bundle/download/{filename} and DELETE /api/system/debug/support/bundle/{filename}.
CVE-2023-41044
This low-severity CVE scores 3.3 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 55% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.8
- EG Score
- 3.3(medium)
- EPSS
- 43.1%
- KEV
- Not listed
Published
August 31, 2023
Last Modified
June 17, 2026
References (6)
- security-advisories@githubhttps://github.com/Graylog2/graylog2-server/commit/02b8792e6f4b829f0c1d87fcbf2d58b73458b938
- security-advisories@githubhttps://github.com/Graylog2/graylog2-server/security/advisories/GHSA-2q4p-f6gf-mqr5
- security-advisories@githubhttps://go2docs.graylog.org/5-1/making_sense_of_your_log_data/cluster_support_bundle.htm
- af854a3a-2127-422b-91ae-364da2661108https://github.com/Graylog2/graylog2-server/commit/02b8792e6f4b829f0c1d87fcbf2d58b73458b938
- af854a3a-2127-422b-91ae-364da2661108https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-2q4p-f6gf-mqr5
- af854a3a-2127-422b-91ae-364da2661108https://go2docs.graylog.org/5-1/making_sense_of_your_log_data/cluster_support_bundle.htm
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.graylog2:graylog2-server | 5.1.0, 5.1.1, 5.1.2 | 5.1.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-06-24 06:21 UTCNVD updateCVSS v3 → 3.8
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Frequently asked(5)
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