Vulnerability · Published Sep 24, 2026 · Assigned by VulDB

CVE-2026-96880TaleLin lin-cms-spring-boot book Endpoint BookController.java getBook improper authorization

Medium 5.3

In plain English

A medium-severity security flaw in lin-cms-spring-boot from TaleLin. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 78.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TaleLin lin-cms-spring-boot up to 0.2.1. This impacts the function getBook of the file src/main/java/io/github/talelin/latticy/controller/v1/BookController.java of the component book Endpoint. Performing a manipulation of the argument ID results in improper authorization. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TaleLin	lin-cms-spring-boot	0.2.00.2.1

Weakness: CWE-285, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

References

VDB-409078 | TaleLin lin-cms-spring-boot book Endpoint BookController.java getBook improper authorization vdb-entry, technical-description
VDB-409078 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-96880 | CVE Analysis and Report third-party-advisory
Submit #906081 | https://github.com/logamee/lin-cms-spring-boot lin-cms 0.2.1 unauthorized access vulnerability third-party-advisory
https://github.com/hhhh333/CVE/blob/main/Lin-CMS-%E6%9C%AA%E6%8E%88%E6%9D%83.md exploit