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CVE-2026-90939 (GCVE-0-2026-90939)

Vulnerability from cvelistv5 – Published: 2026-09-14 13:58 – Updated: 2026-09-14 14:50
VLAI
Title
novel-plus through 5.3.3 Missing Authorization on the Admin /sys/user/list Endpoint
Summary
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.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 14:50 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
201206030 novel-plus Affected: 0 , ≤ 5.3.3 (custom)
    cpe:2.3:a:xxyopen:novel-plus:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-12 00:00
Credits
Mingsheng Lin
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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