What is CVE-2026-41588?

CVE-2026-41588 is a critical-severity vulnerability in Inducer Relate, classified under CWE-208. CVSS score: 9.0/10. Published 2026-05-08.

How severe is CVE-2026-41588?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Vulnerability in Inducer Relate

CVE-2026-41588

RELATE is a web-based courseware package. Prior to commit 2f68e16, there is a timing attack vulnerability in course/auth.py — check_sign_in_key(). This issue has been patched via commit 2f68e16.

Published 2026-05-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (36.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.9% 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: 0.005 · change: +0.001

Affected products

Inducer Relate — versions < 2f68e16cd3b96d25c188c1aa3f7e13cdb15cdaeb

Weakness classification (CWE)

References

github.com/inducer/relate/commit/2f68e16cd3b96d25c188c1aa3f7e13cdb15cdaeb (Patch)
github.com/inducer/relate/security/advisories/GHSA-78j7-9xr9-2728 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-41588?: CVE-2026-41588 is a critical-severity vulnerability in Inducer Relate, classified under CWE-208. CVSS score: 9.0/10. Published 2026-05-08.
How severe is CVE-2026-41588?: Critical severity. CVSS v3 base score is 9.0 out of 10.