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CVE-2026-61718— bunkerweb: Read-only Web UI users can delete job cache files due to missing authorization on /cache/ routes

CVSS 5.4 · Medium EPSS 0.31% · P23

Affected Version Matrix 1

VendorProductVersion RangeStatus
bunkeritybunkerweb>= 1.6.2, < 1.6.12affected
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I. Basic Information for CVE-2026-61718

Vulnerability Information
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Vulnerability Title
bunkerweb: Read-only Web UI users can delete job cache files due to missing authorization on /cache/ routes
Source: NVD (National Vulnerability Database)
Vulnerability Description
bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). From 1.6.2 until 1.6.12, the BunkerWeb web UI BiscuitMiddleware authorization bypass list included the /cache/ URL prefix, so routes in src/ui/app/routes/cache.py protected only by @login_required, including POST /cache/delete, allowed low-privilege read-only reader accounts to permanently delete job cache files containing blacklist, greylist, DNSBL, CrowdSec, GeoIP, ModSecurity CRS, Let's Encrypt, ACME, and custom configuration data. This issue is fixed in version 1.6.12.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Bunkerity BunkerWeb 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bunkerity BunkerWeb是Bunkerity团队开源的一个开源 Web 应用程序防火墙。 Bunkerity BunkerWeb 1.6.2版本至1.6.12之前版本存在授权问题漏洞，该漏洞源于BiscuitMiddleware授权绕过列表包含/cache/ URL前缀，导致仅受@login_required保护的路由（如POST /cache/delete）允许低权限只读读者账户永久删除包含黑名单、灰名单、DNSBL、CrowdSec、GeoIP、ModSecurity CRS、Let's
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
bunkeritybunkerweb >= 1.6.2, < 1.6.12 -

II. Public POCs for CVE-2026-61718

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III. Intelligence Information for CVE-2026-61718

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Vendor Advisories for CVE-2026-61718 (1)

Vendor Pages for CVE-2026-61718 (1)

IV. Related Vulnerabilities

Same product: bunkerweb
Same vendor: bunkerity
Same weakness: CWE-285

V. Comments for CVE-2026-61718

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