What is CVE-2024-52871?

CVE-2024-52871 is a high-severity vulnerability in Flagsmith. CVSS score: 7.5/10. Published 2024-11-17.

How severe is CVE-2024-52871?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Flagsmith

CVE-2024-52871

In Flagsmith before 2.134.1, it is possible to bypass the ALLOW_REGISTRATION_WITHOUT_INVITE setting.

Published 2024-11-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.6th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Flagsmith

References

github.com/Flagsmith/flagsmith/compare/v2.134.0...v2.134.1 (Patch)
github.com/Flagsmith/flagsmith/pull/4454 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2024-52871?: CVE-2024-52871 is a high-severity vulnerability in Flagsmith. CVSS score: 7.5/10. Published 2024-11-17.
How severe is CVE-2024-52871?: High severity. CVSS v3 base score is 7.5 out of 10.