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CVE-2025-12149: In Search Guard FLX versions 3.1.2 and earlier, while Document-Level Security (DLS) is correctly enforced else

27
Routine
MEDIUM 6.0

CVE-2025-12149 is a medium-severity flaw (CVSS 6.0) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Search Guard FLX versions 3.1.2 and earlier, while Document-Level Security (DLS) is correctly enforced elsewhere, when the search is triggered from a Signals watch, the DLS rule is not enforced, allowing access to all documents in the queried indices.

Why this priority

  • No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score6.0 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 77%)
CISA exploited listNo
WeaknessCWE-200, CWE-863
Published2025-11-14
Last modified2026-10-07
Publisher (CNA): floragunn GmbH

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Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-12149?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2025-12149 being exploited?

CVE-2025-12149 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-12149 affect?

CVE-2025-12149 affects affected software. Severity is medium (CVSS 6.0). In Search Guard FLX versions 3.1.2 and earlier, while Document-Level Security (DLS) is correctly enforced elsewhere, when the search is triggered from a Signals watch, the DLS rule is not enforced, allowing access to all documents in the qu

How urgent is CVE-2025-12149?

Priority 27/100. No elevated risk signals yet.

References

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