Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Apache Druid versions 0.17.0 through 35.x, when the druid-basic-security extension is used with LDAP authentication, are vulnerable to an authentication bypass. A remote, unauthenticated attacker who knows an existing username and submits an empty password can gain access to Druid resources, including data and possibly administrative functions, if the LDAP server permits anonymous binds. Upgrade to Druid 36.0.0 or later, or disable anonymous bind on the LDAP server as an interim measure.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 9.8 | Critical | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | ADP (CISA-ADP) |
- CISA KEV Not listed.
- EPSS 0.011, the 65th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:21 UTC First seen by agentprime
- 31 Oct 2026, 14:21 UTC Confirmed by OSV