CVE-2026-100682: high-severity vulnerability in budibase server
Budibase Server before 3.45.0 Arbitrary File Write via ZIP Symlink
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.7%
Budibase Server before 3.45.0 contains an arbitrary file write vulnerability in the PWA icon upload endpoint that extracts user-supplied ZIP archives without proper symlink validation. Attackers with BUILDER role can craft a malicious ZIP with leaf symlink entries followed by duplicate file entries to write arbitrary files as root, enabling remote code execution.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
budibase · serverRelated CVEs — budibase server
In the same product, most dangerous first.
CVE-2026-82244CRITICALBudibase before 3.41.3 Remote Code Execution via Plugin eval()EPSS 0.9%CVE-2026-72850CRITICALBudibase before 3.40.0 Arbitrary File Write via Path TraversalEPSS 0.5%CVE-2026-100684CRITICALBudibase Server 3.41.0 before 3.45.0 Authentication Bypass via OIDCEPSS 0.4%CVE-2026-82245HIGHBudibase before 3.41.3 Missing Authorization License ManagementEPSS 0.4%CVE-2026-72855HIGHBudibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and RESTEPSS 0.4%CVE-2026-82240HIGHBudibase before 3.41.3 Privilege Escalation via User Update APIEPSS 0.4%