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ExploitedIn CISA KEVFix available

CVE-2022-26134

Exploitation confirmed. First attested on 2022-06-02 by CISA-ADP, CISA KEV, GCVE · enisa-cnw-kev, GCVE · kevintel, GCVE · shadowserver.

  • Published2022-06-03
  • Fixed in7.17.4 · 7.16.4 · 7.15.2 · 7.14.3 · 7.13.7 · 7.4.17
  • WeaknessCWE-917

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.

Timeline

dates in UTC
  1. 2022-06-02Added to the CISA KEV catalogCISA KEV
  2. 2022-06-02Listed as exploited by GCVEGCVE
  3. 2022-06-02Exploitation first reportedCISA KEV
  4. 2022-06-0322:15CVE publishedNVD
  5. 2022-06-10Exploit-DB entryExploit-DB
  6. 2025-02-0414:18SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-26134?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-26134?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Atlassian Confluence
BranchAffectedFixed in
7.17≥ 7.17.0, < 7.17.47.17.4
7.16≥ 7.16.0, < 7.16.47.16.4
7.15≥ 7.15.0, < 7.15.27.15.2
7.14≥ 7.14.0, < 7.14.37.14.3
7.13≥ 7.13.0, < 7.13.77.13.7
7.4≥ 1.3, < 7.4.177.4.17
7.18= 7.18.0no fix published
Atlassian Confluence
BranchAffectedFixed in
7.17≥ 7.17.0, < 7.17.47.17.4
7.16≥ 7.16.0, < 7.16.47.16.4
7.15≥ 7.15.0, < 7.15.27.15.2
7.14≥ 7.14.0, < 7.14.37.14.3
7.13≥ 7.13.0, < 7.13.77.13.7
7.4≥ 1.3, < 7.4.177.4.17
7.18= 7.18.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA2 products

As atlassian, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Atlassian Confluence Data Center
    Affected
    • = next of 1.3.0no fix statedcustom
    • < 7.4.17fixed in 7.4.17custom
    • = 7.13.0no fix statedcustom
    • < 7.13.7fixed in 7.13.7custom
    • = 7.14.0no fix statedcustom
    • < 7.14.3fixed in 7.14.3custom
    • = 7.15.0no fix statedcustom
    • < 7.15.2fixed in 7.15.2custom

    6 more version lines in the CVE record.

  • Atlassian Confluence Server
    Affected
    • = next of 1.3.0no fix statedcustom
    • < 7.4.17fixed in 7.4.17custom
    • = 7.13.0no fix statedcustom
    • < 7.13.7fixed in 7.13.7custom
    • = 7.14.0no fix statedcustom
    • < 7.14.3fixed in 7.14.3custom
    • = 7.15.0no fix statedcustom
    • < 7.15.2fixed in 7.15.2custom

    6 more version lines in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-06-30

Fix

  1. Update Atlassian Confluence to 7.17.4 · 7.16.4 · 7.15.2 · 7.14.3 · 7.13.7 · 7.4.17
  2. CISA’s required action: Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.due 2022-06-06

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-50952
Exploit-DB
Proof-of-concept repositories
20 repositories, unverifiedW01fh4cker/Sereinofflinehoster/CVE-2022-26134ma1am/CVE-2022-26134-Exploit-Detectionjbaines-r7/through_the_wirecrowsec-edtech/CVE-2022-26134
PoC-in-GitHub
Metasploit modules
1 moduleexploit/multi/http/atlassian_confluence_namespace_ognl_injectionrank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-06-02
Patch Due Date
2022-06-06
Ransomware Use
Known
Required Action
Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-06-03
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-653m-wpjp-54c4

Frequently asked questions

What is CVE-2022-26134?

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.

Is CVE-2022-26134 actively exploited?

Yes. CVE-2022-26134 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-06-06.

What is the CVSS score for CVE-2022-26134?

CVE-2022-26134 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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