certeu-2026-015
certeu
Description
On 5 October 2026, Atlassian published a security advisory addressing a critical arbitrary file access vulnerability. It affects Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center, Crowd Data Center, Crucible and Fisheye.<br> CERT-EU strongly recommends upgrading all affected installations to a fixed version as soon as possible, starting with instances accessible from the internet. CERT-EU also recommends checking access logs for signs of exploitation.<br>
Timeline
- Published
- Wed, 07 Oct 2026 09:52:48 CEST
- Last Modified
- Wed, 07 Oct 2026 09:52:48 CEST
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
No references available.
Linked Vulnerabilities
No linked vulnerabilities found.
{
"datePublished": "Wed, 07 Oct 2026 09:52:48 CEST",
"description": "On 5 October 2026, Atlassian published a security advisory addressing a critical arbitrary file access vulnerability. It affects Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center, Crowd Data Center, Crucible and Fisheye.<br>\nCERT-EU strongly recommends upgrading all affected installations to a fixed version as soon as possible, starting with instances accessible from the internet. CERT-EU also recommends checking access logs for signs of exploitation.<br>",
"id": "CERTEU-2026-015",
"link": "https://cert.europa.eu/publications/security-advisories/2026-015/",
"source": "certeu",
"title": "2026-015: Critical Vulnerability in Multiple Atlassian Products"
}