How severe is CVE-2025-65781?

CVE-2025-65781 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2025-65781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65781?

CVE-2025-65781 affects Wekan Project Wekan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65781?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-65781 have an EU (EUVD) identifier?

Yes. CVE-2025-65781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203372.

When was CVE-2025-65781 published?

CVE-2025-65781 was published on 2025-12-15 and last updated on 2026-10-14.

CVE-2025-65781

CVE-2025-65781 is a high-severity vulnerability in Wekan Project Wekan with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203372
Weakness: CWE-287
Affected product: Wekan Project Wekan
Published: 2025-12-15
Last modified: 2026-10-14

Description

An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Attachment upload API treats the Authorization bearer value as a userId and enters a non-terminating body-handling branch for any non-empty bearer token, enabling trivial application-layer DoS and latent identity-spoofing.

Frequently asked questions

What is CVE-2025-65781?: An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Attachment upload API treats the Authorization bearer value as a userId and enters a non-terminating body-handling branch for any non-empty bearer token, enabling trivial application-layer DoS and latent identity-spoofing.
How severe is CVE-2025-65781?: CVE-2025-65781 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2025-65781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65781?: CVE-2025-65781 affects Wekan Project Wekan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-65781 have an EU (EUVD) identifier?: Yes. CVE-2025-65781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203372.
When was CVE-2025-65781 published?: CVE-2025-65781 was published on 2025-12-15 and last updated on 2026-10-14.

References

Affected products (1)

cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*

More vulnerabilities in Wekan Project Wekan

CVE-2026-25560 — Critical (CVSS 9.8): WeKan versions prior to 8.19 contain an LDAP filter injection vulnerability in LDAP authentication. User-supplied…
CVE-2026-25859 — High (CVSS 8.8): Wekan versions prior to 8.20 allow non-administrative users to access migration functionality due to insufficient…
CVE-2025-65780 — High (CVSS 8.8): An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Authenticated…
CVE-2026-30845 — High (CVSS 8.2): Wekan is an open source kanban tool built with Meteor. In versions 8.31.0 through 8.33, the board composite publication…
CVE-2026-30844 — High (CVSS 8.1): Wekan is an open source kanban tool built with Meteor. Versions 8.32 and 8.33 are vulnerable to Server-Side Request…
CVE-2025-65778 — High (CVSS 8.1): An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded…

All CVEs affecting Wekan Project Wekan →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-97785 — Critical (CVSS 10.0): Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-108907 — Critical (CVSS 10.0): A vulnerability was determined in Netcore NR268 1.7.121109. Affected is the function user_ok of the component CGI…
CVE-2026-101077 — Critical (CVSS 10.0): A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp…
CVE-2026-100886 — Critical (CVSS 10.0): A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected…
CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…

Browse all CWE-287 (Improper Authentication) vulnerabilities →