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CVE-2026-25561

26
FAUCET Score

CVE-2026-25561 is an authorization weakness affecting WeKan versions prior to 8.19. The vulnerability allows attackers to upload attachments with mismatched object relationships due to insufficient validation of identifiers in the attachment upload API. This flaw has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity to achieve high integrity impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.19CPE matchmatch criteria
cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.1HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 4th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / wekan/wekan/commit/1d16955b6d4f0a0282e89c2c1b0415c7597019b8
Patch
wekan.fi
Product
vulncheck.com / advisories/wekan-attachment-upload-object-relationship-validation-bypass
Third Party Advisory