Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-90939

CVE-2026-90939HIGH

201206030 novel-plus — novel-plus through 5.3.3 Missing Authorization on the Admin /sys/user/list Endpoint

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   N   H   N   N    7.1   .0046   37.7     —

AFFECTED
  Product     Versions     Fixed
  novel-plus  unspecified  —

TIMELINE
  Sep 14  Reserved by VulnCheck
  Sep 14  Published (CNA: VulnCheck)
  Sep 24  EXPLOIT PUBLISHED — CVE-2026-90939 (201206030 novel-plus). Public exploit reference added.

CWE-862 · CNA: VulnCheck · CVSS v4.0 · 6 references · NVD status: Deferred

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 14, 2026	Reserved	Reserved by VulnCheck
September 14, 2026	Published	Published (CNA: VulnCheck)
September 24, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-90939 (201206030 novel-plus). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
201206030	novel-plus	—	—	—

Weaknesses

CWE-862

References (6)

https://github.com/201206030/novel-plus [product]
https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/java/com/java2nb/system/controller/SysUserController.java [technical-description]
https://github.com/201206030/novel-plus/blob/d63c3ee394657046ebd469e263532a350a60e930/novel-admin/src/main/resources/mybatis/system/UserMapper.xml [technical-description]
https://github.com/201206030/novel-plus/releases/tag/v5.3.3 [release-notes]
https://github.com/LinYuanyi1/cve-request-poc/blob/master/novel-plus/poc-03-user-list-password-hash-disclosure.py [exploit]
https://www.vulncheck.com/advisories/novel-plus-through-5.3.3-missing-authorization-on-the-admin-sys-user-list-endpoint [third-party-advisory]

Authoritative record: CVE-2026-90939 at cve.org

Vendors: 201206030

Weaknesses: CWE-862

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-90939 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.