Graylog vulnerabilities: known CVEs & security history
Graylog · Observability · 22 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Graylog release lines — 22 in total. A CVE here doesn't mean your version is affected — check Graylog's current status and the safe version to run.
Known Graylog CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-1435 | critical | 9.8 | 0% | 2026 |
| CVE-2021-37760 | critical | 9.8 | 1% | 2021 |
| CVE-2021-37759 | critical | 9.8 | 1% | 2021 |
| CVE-2025-53106 | high | 8.8 | 1% | 2025 |
| CVE-2024-24824 | high | 8.8 | 34% | 2024 |
| CVE-2020-15813 | high | 8.1 | 1% | 2020 |
| CVE-2025-46827 | high | 8 | 0% | 2025 |
| CVE-2026-1436 | medium | 6.5 | 0% | 2026 |
| CVE-2025-30373 | medium | 6.5 | 0% | 2025 |
| CVE-2024-52506 | medium | 6.5 | 1% | 2024 |
| CVE-2026-1441 | medium | 6.1 | 0% | 2026 |
| CVE-2026-1440 | medium | 6.1 | 0% | 2026 |
| CVE-2026-1439 | medium | 6.1 | 0% | 2026 |
| CVE-2026-1438 | medium | 6.1 | 0% | 2026 |
| CVE-2026-1437 | medium | 6.1 | 0% | 2026 |
| CVE-2018-14380 | medium | 6.1 | 1% | 2018 |
| CVE-2018-11651 | medium | 6.1 | 1% | 2018 |
| CVE-2018-11650 | medium | 6.1 | 1% | 2018 |
| CVE-2024-24823 | medium | 5.7 | 0% | 2024 |
| CVE-2023-41045 | low | 3.7 | 0% | 2023 |
| CVE-2023-41044 | low | 3.3 | 1% | 2023 |
| CVE-2023-41041 | low | 2.6 | 0% | 2023 |
Is my Graylog version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Graylog version → · Monitor Graylog for new CVEs →
Graylog vulnerabilities — frequently asked
How many known vulnerabilities does Graylog have?
IsItPatched tracks 22 CVEs for Graylog. 3 are critical-severity and 4 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Graylog have any actively-exploited vulnerabilities?
None of Graylog's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Graylog vulnerability?
Among tracked issues, CVE-2026-1435 (CRITICAL, CVSS 9.8) ranks highest — a CWE-613 weakness.
Is Graylog safe to use?
It depends on the version. The latest supported Graylog release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Graylog security status · Graylog end-of-life · actively-exploited CVEs. Always verify against Graylog's advisories — see our disclaimer.