Jira

6 CVEs product

Monthly

CVE-2026-27826 HIGH PATCH This Week

Unauthenticated attackers can abuse the MCP Atlassian server to perform arbitrary outbound HTTP requests by manipulating HTTP headers, enabling credential theft from cloud instance metadata endpoints or internal network reconnaissance without requiring authentication. The vulnerability exists in the HTTP middleware layer prior to version 0.17.0, affecting Atlassian Confluence and Jira deployments. No patch is currently available.

Atlassian Confluence Jira AI / ML
NVD GitHub VulDB
CVSS 3.1
8.2
EPSS
0.0%
CVE-2026-1662 HIGH This Week

Gitlab versions up to 18.7.5 is affected by allocation of resources without limits or throttling (CVSS 7.5).

Gitlab Jira Denial Of Service
NVD
CVSS 3.1
7.5
EPSS
0.0%
CVE-2026-22892 MEDIUM PATCH This Month

Mattermost versions 11.1.2, 10.11.9, and 11.2.1 and earlier fail to properly enforce access controls in the Jira plugin's /create-issue API endpoint, allowing authenticated users to read restricted post content and attachments from channels they cannot access by referencing post IDs. An attacker with Jira plugin access can exploit this to enumerate and exfiltrate sensitive information from private or restricted channels. No patch is currently available for affected versions.

Jira Mattermost Server Suse
NVD
CVSS 3.1
4.3
EPSS
0.0%
CVE-2026-1466 MEDIUM PATCH This Month

Jirafeau's MIME type validation can be bypassed by sending crafted HTTP requests with invalid MIME types, allowing attackers to trigger browser-based MIME sniffing that may execute malicious JavaScript embedded in SVG or HTML files. An unauthenticated remote attacker can exploit this through a simple network request requiring user interaction to view a malicious preview. A patch is available and the vulnerability affects Jirafeau and related products.

Jira XSS Jirafeau
NVD
CVSS 3.1
6.1
EPSS
0.0%
CVE-2025-57681 MEDIUM POC This Month

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability. [CVSS 5.4 MEDIUM]

Jira XSS Worklogpro
NVD
CVSS 3.1
5.4
EPSS
0.0%
CVE-2025-67824 MEDIUM This Month

WorklogPRO - Jira Timesheets plugin in the Jira Data Center versions up to 4.24.2 is affected by cross-site scripting (xss) (CVSS 6.1).

Jira XSS
NVD
CVSS 3.1
6.1
EPSS
0.0%
CVE-2026-27826
EPSS 0% CVSS 8.2
HIGH PATCH This Week

Unauthenticated attackers can abuse the MCP Atlassian server to perform arbitrary outbound HTTP requests by manipulating HTTP headers, enabling credential theft from cloud instance metadata endpoints or internal network reconnaissance without requiring authentication. The vulnerability exists in the HTTP middleware layer prior to version 0.17.0, affecting Atlassian Confluence and Jira deployments. No patch is currently available.

Atlassian Confluence Jira +1
NVD GitHub VulDB
CVE-2026-1662
EPSS 0% CVSS 7.5
HIGH This Week

Gitlab versions up to 18.7.5 is affected by allocation of resources without limits or throttling (CVSS 7.5).

Gitlab Jira Denial Of Service
NVD
CVE-2026-22892
EPSS 0% CVSS 4.3
MEDIUM PATCH This Month

Mattermost versions 11.1.2, 10.11.9, and 11.2.1 and earlier fail to properly enforce access controls in the Jira plugin's /create-issue API endpoint, allowing authenticated users to read restricted post content and attachments from channels they cannot access by referencing post IDs. An attacker with Jira plugin access can exploit this to enumerate and exfiltrate sensitive information from private or restricted channels. No patch is currently available for affected versions.

Jira Mattermost Server Suse
NVD
CVE-2026-1466
EPSS 0% CVSS 6.1
MEDIUM PATCH This Month

Jirafeau's MIME type validation can be bypassed by sending crafted HTTP requests with invalid MIME types, allowing attackers to trigger browser-based MIME sniffing that may execute malicious JavaScript embedded in SVG or HTML files. An unauthenticated remote attacker can exploit this through a simple network request requiring user interaction to view a malicious preview. A patch is available and the vulnerability affects Jirafeau and related products.

Jira XSS Jirafeau
NVD
CVE-2025-57681
EPSS 0% CVSS 5.4
MEDIUM POC This Month

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability. [CVSS 5.4 MEDIUM]

Jira XSS Worklogpro
NVD
CVE-2025-67824
EPSS 0% CVSS 6.1
MEDIUM This Month

WorklogPRO - Jira Timesheets plugin in the Jira Data Center versions up to 4.24.2 is affected by cross-site scripting (xss) (CVSS 6.1).

Jira XSS
NVD

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