High severity · published May 8, 2026
CVE-2026-41588
RELATE: Timing Attack Vulnerability in course/auth.py — check_sign_in_key()
8.1
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
relate · inducer
< 2f68e16cd3b96d25c188c1aa3f7e13cdb15cdaeb · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41588
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41588
Patch
https://github.com/inducer/relate/commit/2f68e16cd3b96d25c188c1aa3f7e13cdb15cdaeb
Vendor Advisory
https://github.com/inducer/relate/security/advisories/GHSA-78j7-9xr9-2728
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