CVE-2026-55841
1 advisory.
Maven/org.graylog2:graylog2-server CVE-2026-55841: high 7.5
Fortigate syslog message parser can be exploited to modify or delete fields from the original message
Action: Upgrade org.graylog2:graylog2-server to 6.3.12 (6.3.x), 7.0.7 (7.0.x) or 7.1.2 (7.1.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.3.12 | - |
| 7.0.0 | 7.0.7 | - |
| 7.1.0 | 7.1.2 | - |
Fixed versions
| 6.3.12 | 7.0.7 | 7.1.2 |
Sources
- osv: GHSA-gqr6-r77p-c2pj
- https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-gqr6-r77p-c2pj
- https://github.com/Graylog2/graylog2-server/pull/26050
- https://github.com/Graylog2/graylog2-server/pull/26056
- https://github.com/Graylog2/graylog2-server/pull/26057
- https://github.com/Graylog2/graylog2-server/pull/26059
- https://github.com/Graylog2/graylog2-server/commit/793df6e8202ea55c15a762e47a2a8a775961dd3f
- https://github.com/Graylog2/graylog2-server/commit/85dc699d6319aea433583dc239077a3a799c8627
- https://github.com/Graylog2/graylog2-server/commit/d5051e604c962ef3d4e5e8e434d0ff4907d2140d
- https://github.com/Graylog2/graylog2-server/commit/dde76d7432c469887d9a95c208083c5f0f73c70d
- https://github.com/Graylog2/graylog2-server
CVE-2026-55841 · published · modified · JSON