Eptura Archibus unrestricted file upload enabling server-side code execution
Archibus before 2025.02 accepts user-controlled file content and extensions in writeHTMLtoFile without validation, letting an attacker write and execute server-side code.
- Vendor
- Eptura
- Product
- Archibus (versions before 2025.02)
- CVSS
- 9.6
- EPSS (exploit probability)
- N/A
- Status
- patched
- Published
Is CVE-2026-107188 being exploited?
Not on any exploited-vulnerability catalog we track. CVE-2026-107188 was not on the CISA, ENISA or CIRCL exploited catalogs as of our 2026-10-20 snapshot. That can change quickly; check the write-up below for the latest reporting.
- CISA KEV[ — ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-20. Full cross-catalog view: /kev-comparison
CVE-2026-107188 is a CVSS 9.6 critical unrestricted file upload in Eptura Archibus, affecting versions before 2025.02.
The AbCommonResources-writeHTMLtoFile function accepts user-supplied file content and file extensions without validation. An attacker can write server-side code to a web-accessible directory and then request that path to execute it on the server.
When combined with the authentication bypass in CVE-2026-107186, this vulnerability is reachable from the network without credentials.
Affected versions: Archibus before 2025.02.
Remediation: Update to Archibus 2025.02 or later. See NVD and the Rapid7 disclosure.
Other Eptura CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-107187 Eptura Archibus unrestricted database read via getDataRecordswrite-up | [ HIGH ] | 8.5 | — | — |
| CVE-2026-107186 Eptura Archibus DWR endpoint authentication bypasswrite-up | [ HIGH ] | 8.6 | — | — |
