Vulnerability details
CVE-2026-111673
Thecosy IceCMS
IceCMS through 4.1.5 Missing Authentication via /User Administrative Endpoints
CVSS 4.0
9.3Critical
Official description
IceCMS through 4.1.5 contains a missing authentication vulnerability that allows unauthenticated attackers to modify, delete, or disable any account because /User/** is excluded from the Shiro jwt filter. Attackers can send PUT requests to /User/updateUser to set a new password and role on any userId, including administrators, enabling full account takeover.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Thecosy | IceCMS | v ≤ 4.1.5 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/controller/backend/UserController.java#L743-L818 technical-description
- https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/configuration/ShiroConfig.java#L64-L88 technical-description
- https://github.com/Thecosy/IceCMS product
- https://www.vulncheck.com/advisories/icecms-through-4.1.5-missing-authentication-via-user-administrative-endpoints third-party-advisory
- https://hackmd.io/@hieuPenguinnn/icecms-backend-user-admin-unauth-account-takeover third-party-advisory
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Details
- Published
- 2026-10-16
- Last updated
- 2026-10-16
- State
- Published
- Assigner (CNA)
- VulnCheck
- Kolun priority
- 26 · Low
Exploit prediction (EPSS)
0.55%
Probability of exploitation in 30 days
46.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-306Missing Authentication for Critical Function