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GO-2026-4275 CVE-2025-14273 GHSA-qvmc-92vg-6r35

Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira

High Go
Severity
8.3 / 10
High · CVSS 3.1
Exploit chance (EPSS)
0.26%
Chance of exploitation in the next 30 days. Higher than 18.19% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
CWE-303 Incorrect Implementation of Authentication Algorithm
Fix
Available
2 packages have a fixed version

Description

Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/mattermost/mattermost-plugin-jira before v4.4.1.

Affected versions

Go

PackageVulnerableFixed in
github.com/mattermost/mattermost-plugin-jira
< 4.4.1
4.4.1
github.com/mattermost/mattermost-plugin-jira
all versions
No fix yet
github.com/mattermost/mattermost-server
all versions
No fix yet
github.com/mattermost/mattermost-server/v5
all versions
No fix yet
github.com/mattermost/mattermost-server/v6
all versions
No fix yet
github.com/mattermost/mattermost/server/v8
< 8.0.0-20251121122154-b57c297c6d7a
8.0.0-20251121122154-b57c297c6d7a

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

github.com/mattermost/mattermost-plugin-jira Go → 4.4.1

go
go get github.com/mattermost/mattermost-plugin-jira@v4.4.1 && go mod tidy

github.com/mattermost/mattermost/server/v8 Go → 8.0.0-20251121122154-b57c297c6d7a

go
go get github.com/mattermost/mattermost/server/v8@v8.0.0-20251121122154-b57c297c6d7a && go mod tidy

Severity breakdown

CVSS 3.1 8.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Weakness

CWE-303: Incorrect Implementation of Authentication Algorithm

The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
AdvisorySeverityWhy it's related
GHSA-xmfh-3ccg-c9fx
Mattermost has an Incorrect Authorization issue
Low Also affects github.com/mattermost/mattermost-server
GHSA-h998-hxxj-8q83
Mattermost doesn't invalidate cached authentication state for active WebSocket connections during global session revocation
Medium Also affects github.com/mattermost/mattermost-server
GHSA-g5vr-6pgg-74qv
Mattermost doesn't enforce bot-specific permission checks on the user active status endpoint
Low Also affects github.com/mattermost/mattermost-server
GHSA-jqgv-39mg-7c2r
Mattermost doesn't authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret
Medium Also affects github.com/mattermost/mattermost-server
GHSA-mxq2-5jpg-7474
Mattermost doesn't validate channel ownership of an existing subscription before applying edits
Medium Also affects github.com/mattermost/mattermost-server
GHSA-2g8v-grq3-hq2g
Mattermost doesn't enforce administrator authorization on the {{setDefaultInstance}} call within the {{/gitlab connect}} command handler
Medium Also affects github.com/mattermost/mattermost-server
GHSA-6hxm-w4hv-vgvw
Mattermost doesn't require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints
High Also affects github.com/mattermost/mattermost-server
GHSA-9p44-r552-4wp9
Mattermost doesn't sanitize the Remote Cluster API response on PATCH operations
Medium Also affects github.com/mattermost/mattermost-server
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