PatchSiren cyber security CVE debrief
CVE-2026-111648 build-admin CVE debrief
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 in the routine/adminInfo/edit endpoint. This vulnerability enables attackers with the routine/adminInfo/edit permission to overwrite various fields, including avatar, nickname, email, mobile, and motto, potentially affecting super administrators' sensitive information. Defenders should assess exposure, prioritize verification for instances with multiple administrators, and monitor for suspicious activity.
- Vendor
- build-admin
- Product
- buildadmin
- CVSS
- MEDIUM 5.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-16
- Original CVE updated
- 2026-10-23
- Advisory published
- 2026-10-16
- Advisory updated
- 2026-10-23
Who should care
BuildAdmin administrators and security teams should assess exposure and prioritize verification for instances with multiple administrators. They should review and restrict routine/adminInfo/edit permission assignments, monitor for suspicious administrator profile modifications, and verify the integrity of administrator profiles and accounts.
Why it matters
CVE-2026-111648 is a medium-severity IDOR vulnerability in BuildAdmin through 2.3.9 that allows authenticated administrators to modify other administrators' profiles. Defenders should assess exposure, restrict permission assignments, and monitor for suspicious activity.
- Authenticated administrators can modify other administrators' profiles, including super administrators' email and mobile fields.
- The vulnerability requires the routine/adminInfo/edit permission, which may be held by multiple administrators.
- Verification of administrator access controls and monitoring for suspicious profile modifications are necessary.
Technical summary
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 in the routine/adminInfo/edit endpoint. This vulnerability requires the routine/adminInfo/edit permission, which may be held by multiple administrators. The vulnerability can lead to unauthorized modifications of sensitive fields, including email and mobile, of other administrators, including super administrators. Defenders should assess exposure, restrict permission assignments, and monitor for suspicious activity.
Defensive priority
Assess exposure and prioritize verification for BuildAdmin instances, especially those with multiple administrators.
Recommended defensive actions
- Assess BuildAdmin instance exposure and verify administrator access controls
- Review and restrict routine/adminInfo/edit permission assignments
- Monitor for suspicious administrator profile modifications
- Verify the integrity of administrator profiles and accounts
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
Evidence notes
The CVE record and source item provide details on the IDOR vulnerability in BuildAdmin through 2.3.9. The vulnerability is confirmed to exist in versions up to 2.3.9 and allows authenticated administrators to modify other administrators' profiles. Evidence is based on the official CVE Program record and a source item describing the vulnerability. Defenders should verify the vulnerability's existence, assess exposure, and monitor for suspicious profile modifications.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-111648 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-111648
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-111648 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-111648
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
BuildAdmin through 2.3.9 IDOR via routine/adminInfo/edit id Parameter
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/111xxx/CVE-2026-111648.json
cve_program_cvelist_v5
-
Source reference
Unverified legacy reference
URL: https://hackmd.io/@hieuPenguinnn/buildadmin-admininfo-edit-cross-admin-idor
Supplemental source - third-party-advisory
-
Source reference
Unverified legacy reference
URL: https://github.com/build-admin/buildadmin/blob/468652294e6a6a794bf1113f0847b93337d69fb4/app/admin/controller/routine/AdminInfo.php
Supplemental source - technical-description
-
Source reference
Unverified legacy reference
URL: https://github.com/build-admin/buildadmin
Supplemental source - product
-
Source reference
Unverified legacy reference
URL: https://www.vulncheck.com/advisories/buildadmin-through-2.3.9-idor-via-routine-admininfo-edit-id-parameter
Supplemental source - third-party-advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.