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Vulnerabilities CVE-2026-61718

CVE-2026-61718

Medium
Open
TLP:CLEAR

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

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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.

Details

CVSS Score
5.4
EPSS Score
0.31%

23.3th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Confidence
90%
Published
Jul 16, 2026
Last Modified
Jul 17, 2026
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