CVE-2026-90939

MEDIUMCVSS 6.5/10

Last modified

CVE-2026-90939 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. novel-plus through 5.3.3 contains an information disclosure vulnerability in the /sys/user/list endpoint that lacks proper permission annotations. Authenticated attackers can retrieve password hashes and personal data including email addresses and phone numbers for users within their data scope, enabling offline hash cracking and account takeover..

Description

novel-plus through 5.3.3 contains an information disclosure vulnerability in the /sys/user/list endpoint that lacks proper permission annotations. Authenticated attackers can retrieve password hashes and personal data including email addresses and phone numbers for users within their data scope, enabling offline hash cracking and account takeover.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
201206030novel-plus<= 5.3.3

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90939?
novel-plus through 5.3.3 contains an information disclosure vulnerability in the /sys/user/list endpoint that lacks proper permission annotations. Authenticated attackers can retrieve password hashes and personal data including email addresses and phone numbers for users within their data scope, enabling offline hash cracking and account takeover.
How severe is CVE-2026-90939?
CVE-2026-90939 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-90939?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST