CVE-2021-26084
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.
CISA Known Exploited Vulnerability
Vendor / Product
Atlassian — Confluence Server and Data Center
Date Added
2021-11-03
Remediation Due
2021-11-17
Ransomware Use
CONFIRMED
https://nvd.nist.gov/vuln/detail/CVE-2021-26084