CubePath
Sign Up

CVE-2022-26134

Improper Neutralization of Special Elements used in an Expression Language Statement

CVSS 3.1 Critical 9.8Known exploited (CISA KEV)

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

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.

Official description from the CVE record, published by atlassian. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 3.1 Critical 9.8

Score published by CISA-ADP in the CVE record.

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

  • Attack vector: Network

    The vulnerable component can be reached over a network, possibly from the Internet.

  • Attack complexity: Low

    No special conditions are needed. The attack can be repeated at will.

  • Privileges required: None

    No account or privileges are needed.

  • User interaction: None

    No action from any user is needed.

  • Scope: Unchanged

    The impact stays within the vulnerable component.

  • Confidentiality impact: High

    Serious or total effect on the secrecy of data.

  • Integrity impact: High

    Serious or total effect on the trustworthiness of data.

  • Availability impact: High

    Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.99999 (99.99% probability)
Percentile
99.99%
Scores of
Nov 10, 2026
Model
v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.
Name in the catalog
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability
Added to the catalog
Jun 2, 2022
Federal due date
Jun 6, 2022
Ransomware campaigns
Known use

CISA assessment as of Feb 4, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Recorded by CISA as active
Automatable
yes
Technical impact
total

Weakness (CWE)

CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
  • CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement

Affected products

Products listed in the CVE record, as the CNA published them.

  • Atlassian Confluence Data Center

    • affected: next of 1.3.0 up to before unspecified
    • affected: unspecified up to before 7.4.17
    • affected: 7.13.0 up to before unspecified
    • affected: unspecified up to before 7.13.7
    • affected: 7.14.0 up to before unspecified
    • affected: unspecified up to before 7.14.3
    • affected: 7.15.0 up to before unspecified
    • affected: unspecified up to before 7.15.2
    • affected: 7.16.0 up to before unspecified
    • affected: unspecified up to before 7.16.4
    • affected: 7.17.0 up to before unspecified
    • affected: unspecified up to before 7.17.4
    • affected: 7.18.0 up to before unspecified
    • affected: unspecified up to before 7.18.1

  • Atlassian Confluence Server

    • affected: next of 1.3.0 up to before unspecified
    • affected: unspecified up to before 7.4.17
    • affected: 7.13.0 up to before unspecified
    • affected: unspecified up to before 7.13.7
    • affected: 7.14.0 up to before unspecified
    • affected: unspecified up to before 7.14.3
    • affected: 7.15.0 up to before unspecified
    • affected: unspecified up to before 7.15.2
    • affected: 7.16.0 up to before unspecified
    • affected: unspecified up to before 7.16.4
    • affected: 7.17.0 up to before unspecified
    • affected: unspecified up to before 7.17.4
    • affected: 7.18.0 up to before unspecified
    • affected: unspecified up to before 7.18.1

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

  1. ID reserved
  2. Added to CISA KEV
  3. Record published
  4. Record last updated

Look up another CVE

About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.
Cloud VPSDDoS protection

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:52 UTC. Sources and licenses