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CVE-2023-22526· NVD / CVE Program· CNA atlassian

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 7.19.0 of Confluence Data Center.

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 7.19.0 of Confluence Data Center. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center and Server 7.19: Upgrade to a release 7.19.17, or any higher 7.19.x release Confluence Data Center and Server 8.5: Upgrade to a release 8.5.5 or any higher 8.5.x release Confluence Data Center and Server 8.7: Upgrade to a release 8.7.2 or any higher release See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was discovered by m1sn0w and reported via our Bug Bounty program

HighCVSS 8.8 · v3.1—No exploit No fix recorded
Published
Jan 16, 2024
Updated
Jun 17, 2026
EPSS
1.6% · 74th percentile
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Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.8
CNA · atlassian
7.2
1.6 point gap

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
atlassianconfluence data center
atlassianconfluence server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • atlassian confluence data center7.19.0 and later · before 7.19.17
  • atlassian confluence data center8.5.0 and later · before 8.5.5
  • atlassian confluence data center8.7.0 and later · before 8.7.2
  • atlassian confluence server7.19 and later · before 7.19.17
  • atlassian confluence server8.5.0 and later · before 8.5.5
  • atlassian confluence server8.7.0 and later · up to 8.7.2 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (atlassian). Independent of NVD's CPE analysis and usually ahead of it.

  • Atlassian Confluence Data Center

    • >= 7.13.0, >= 7.19.0, >= 8.0.0, >= 8.1.0, >= 8.2.0, >= 8.3.0, >= 8.4.0, >= 8.5.0, >= 8.6.0, >= 8.7.1affected
    • < 7.13.0, >= 7.19.17, >= 8.5.5, >= 8.7.2not affected

Same product

atlassian: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-22527A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE KEV
    99Now
  • CVE-2023-22518All versions of Confluence Data Center and Server are affected by this unexploited vulnerability.KEV
    99Now
  • CVE-2023-22515Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknowKEV
    99Now
  • CVE-2022-26134In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attackKEV
    99Now
  • CVE-2021-26084In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attackKEV
    99Now
  • CVE-2021-26085Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File KEV
    81Now

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-21683126 days apartThis High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server.
    61This week
  • CVE-2024-216720 days apartThis High severity Remote Code Execution (RCE) vulnerability was introduced in version 2.1.0 of Confluence Data Center and Server.
    35Monitor
  • CVE-2024-216730 days apartThis High severity Remote Code Execution (RCE) vulnerability was introduced in versions 7.13.0 of Confluence Data Center and Server.
    35Monitor
  • CVE-2024-216740 days apartThis High severity Remote Code Execution (RCE) vulnerability was introduced in version 7.13.0 of Confluence Data Center and Server.
    31Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-94 · Improper Control of Generation of Code ('Code Injection')

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records