CVE-2026-116257
BillaBear Installation InstallController.php processInstall missing authentication
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 26, 2026
- Updated
- Oct 31, 2026
- Reserved
- Oct 25, 2026
Description
A vulnerability was determined in BillaBear up to 2025.01.03. Affected by this issue is the function processInstall of the file src/BillaBear/Controller/InstallController.php of the component Installation Handler. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
BillaBearn/a |
|
References
- VDB-426296 | BillaBear Installation InstallController.php processInstall missing authenticationvdb-entrytechnical-description
- VDB-426296 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-116257 | CVE Analysis and Reportthird-party-advisory
- Submit #1009909 | BillaBear master @ 3ac15eea19bfff1cdf60b93332b8cb9fe171d51 CWE-306 Missing Authentication for Critical Functionthird-party-advisory
- https://gist.github.com/asdfghjkl12345678910111/d9fcbcdf74b3f07c427ade9fed927ad4exploit
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.