CVE-2026-57997
🔶 mediumSummary
Strapi users-permissions plugin fails to restrict JWT algorithms when plugin::users-permissions.jwt.algorithm is not explicitly configured, allowing acceptance of HS384 and HS512 tokens alongside HS256. Attackers possessing the jwtSecret can mint tokens with non-standard HMAC variants to bypass algorithm restrictions and weaken authentication controls.
CVSS Score
4.8
Medium
EPSS Score
0.2
Exploit Probability
Published Date
2026-06-29
First Seen: 2026-06-30
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 13.5% of all 348,695 vulnerabilities in our database.
#301,505
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jul 1, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
BL4CK570RM (reporter)
SSVC data provided by
CISA
Last Modified
2026-07-01
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS Vector 4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE IDs (Weakness Types)