CVE-2026-29056 affects Kanboard versions prior to 1.2.51, stemming from improper input validation in the user invite registration endpoint. An attacker receiving an invite link can inject 'role=app-admin' during registration, thereby creating an administrator account. This vulnerability carries a CVSS score of 8.8 (High), indicating a critical impact on confidentiality, integrity, and availability through a low-complexity, network-based attack. While no active exploitation or public exploit code is currently reported, the vulnerability is straightforward to leverage. Community discussion and media coverage for this issue remain minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.2.51CPE matchmatch criteria | cpe:2.3:a:kanboard:kanboard:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.