CVE-2026-56774
Last modified
CVE-2026-56774 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Kanboard through 1.2.52, fixed in commit 928c68a, UserViewController::removeSession fails to validate the session id parameter before passing it to RememberMeSessionModel::remove, allowing authenticated users to delete other users' Remember Me sessions. Attackers can enumerate sequential session IDs and mass-invalidate persistent login sessions of any user, including administrators, forcing re-authentication and causing denial of service.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
Kanboard through 1.2.52, fixed in commit 928c68a, UserViewController::removeSession fails to validate the session id parameter before passing it to RememberMeSessionModel::remove, allowing authenticated users to delete other users' Remember Me sessions. Attackers can enumerate sequential session IDs and mass-invalidate persistent login sessions of any user, including administrators, forcing re-authentication and causing denial of service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-56774?
How severe is CVE-2026-56774?
How do I fix CVE-2026-56774?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-56769Huly Platform through 0.7.423, fixed in commit 68cbf8a conta…8.5
- CVE-2026-5677A security flaw has been discovered in Totolink A7100RU 7.4c…7.3
- CVE-2026-56770libais through 0.15 VdmStream::AddLine uses an unchecked sen…7.5
- CVE-2026-56771NewsBlur before version 14.5.0 contains a server-side reques…8.5
- CVE-2026-56772NewsBlur before 14.5.0 contains a broken access control vuln…5.3
- CVE-2026-56773Teable's v2 REST API controller lacks @Permissions metadata …8.8
- CVE-2026-56775n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authoriz…5.4
- CVE-2026-56776n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authoriz…7.4
- CVE-2026-56777n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstr…5.3
- CVE-2026-56778n8n before 2.25.7 and 2.26.x before 2.26.2 contains an autho…6.4
- CVE-2026-56779MaxKB before 2.10.0 contains a server-side request forgery v…6.4
- CVE-2026-5678A weakness has been identified in Totolink A7100RU 7.4cu.231…7.3
Are you affected by CVE-2026-56774?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST