Vulnerability · Published Oct 16, 2026 · Assigned by VulnCheck

CVE-2026-111648BuildAdmin through 2.3.9 IDOR via routine/adminInfo/edit id Parameter

Low 2.7

In plain English

A low-severity authorization bypass via user-controlled key in buildadmin from build-admin. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)2.7Low

Exploit odds (30 days)0.4%top 67.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

BuildAdmin through 2.3.9 contains an insecure direct object reference vulnerability that allows authenticated backend administrators to modify other administrators' profiles via the id parameter. Attackers holding the routine/adminInfo/edit permission can overwrite avatar, nickname, email, mobile and motto fields, including a super administrator's email and mobile.

Affected products (as reported)

Vendor	Product	Versions
build-admin	buildadmin	0 – through 2.3.9

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

References

https://hackmd.io/@hieuPenguinnn/buildadmin-admininfo-edit-cross-admin-idor third-party-advisory
https://github.com/build-admin/buildadmin/blob/468652294e6a6a794bf1113f0847b93337d69fb4/app/admin/controller/routine/AdminInfo.php#L36-L89 technical-description
https://github.com/build-admin/buildadmin product
VulnCheck Advisory: BuildAdmin through 2.3.9 IDOR via routine/adminInfo/edit id Parameter third-party-advisory