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CVE-2022-26134

99
FAUCET Score

CVE-2022-26134 is a critical OGNL injection vulnerability in Atlassian Confluence Server and Data Center, allowing unauthenticated attackers to execute arbitrary code. With a CVSS score of 9.8 (CRITICAL), it poses a severe risk due to its network-based attack vector, low complexity, and complete compromise potential. This vulnerability is actively exploited, including in known ransomware campaigns, with public exploit code readily available and significant community and media attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.3, < 7.4.17CPE matchmatch criteria
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
>= 7.13.0, < 7.13.7CPE matchmatch criteria
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
>= 7.14.0, < 7.14.3CPE matchmatch criteria
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
>= 7.15.0, < 7.15.2CPE matchmatch criteria
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
>= 7.16.0, < 7.16.4CPE matchmatch criteria
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
100.00%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Jun 2, 2022
Metasploit: Atlassian Confluence Namespace OGNL Injection · Jun 2, 2022
Nuclei: CVE-2022-26134 · Jun 4, 2022
ExploitDB: EDB-50952 · Jun 10, 2022
This CVE's current EPSS score of 1.0000 is in the 100th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
ExploitThird Party AdvisoryVDB Entry
confluence.atlassian.com / doc/confluence-security-advisory-2022-06-02-1130377146.html
Vendor Advisory
jira.atlassian.com / browse/CONFSERVER-79016
Issue TrackingPatchVendor Advisory