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CVE-2026-116257— BillaBear Installation InstallController.php processInstall missing authentication

Quick assessment

Affected
n/a BillaBear
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

经确认，BillaBear 在 2025.01.03 及更早版本中存在一个安全漏洞。该漏洞影响组件“安装处理器”（Installation Handler）中文件 的 函数。此问题导致认证机制缺失，攻击者可进行远程利用。该漏洞的利用方式已被公开披露，可能被恶意利用。厂商已就此次披露在早期阶段被联系，但未作出任何回应。

CVSS 7.3 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-116257

Vulnerability Information
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Vulnerability Title
BillaBear Installation InstallController.php processInstall missing authentication
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- BillaBear 2025.01.03 cpe:2.3:a:billabear:billabear:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-116257

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III. Intelligence Information for CVE-2026-116257

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Other References for CVE-2026-116257 (4)

Same Patch Batch · n/a · 2026-10-26 · 16 CVEs total

CVE-2026-116260 7.3 HIGH libimobiledevice AFC Service afc.c service_receive double free
CVE-2026-116253 7.3 HIGH DedeCMS Advertisement Rendering ad_js.php _RunMagicQuotes code injection
CVE-2026-116106 7.3 HIGH HeyCyan App FileProvider access control
CVE-2026-116258 6.3 MEDIUM libimobiledevice AFC afc.c heap-based overflow
CVE-2026-116113 6.3 MEDIUM GouGuOA Api.php chunkUpload unrestricted upload
CVE-2026-116120 5.6 MEDIUM NocoDB PublicApiLimiterGuard signup UserRefreshToken.deleteAllUserToken allocation of reso
CVE-2026-116119 5.5 MEDIUM NocoDB Password-Reset Flow users.service.ts race condition
CVE-2026-116262 5.4 MEDIUM libimobiledevice Web Inspector webinspector.c webinspector_receive_with_timeout heap-based
CVE-2026-116259 5.3 MEDIUM libimobiledevice Device Info afc.c afc_get_device_info_key memory corruption
CVE-2026-116123 3.7 LOW NocoDB signup validatePassword excessive authentication
CVE-2026-116122 3.7 LOW NocoDB Sign-in Endpoint AuthService.validateUser information disclosure
CVE-2026-116121 3.7 LOW NocoDB Registration users.service.ts race condition
CVE-2026-116105 3.7 LOW HeyCyan App Network Security Configuration AndroidManifest.xml cleartext transmission
CVE-2026-116261 3.5 LOW libimobiledevice AFC File afc.c afc_file_open out-of-bounds
CVE-2026-116100 2.4 LOW gougucms User Level Level.php add cross site scripting

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-306