CVE-2022-26138Known exploitationNetwork attack vector

Unauthenticated content access via hardcoded account credentials

Published Jul 20, 2022 · Updated Jan 12, 2026

Hardcoded credentials in Questions for Confluence 2.7.34, 2.7.35, and 3.0.2 allow remote attackers to access Confluence content. The enabled app creates disabledsystemuser with a fixed password and adds the account to confluence-users, granting default access to view and edit non-restricted pages. Exploitation requires the publicly known password and an active account, which can remain after the app is uninstalled and exposes all content allowed to that group.

CVSS severity9.8
Critical
EPSS probability98.17%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hardcoded credentials in Questions for Confluence 2.7.34, 2.7.35, and 3.0.2 allow remote attackers to access Confluence content. The enabled app creates disabledsystemuser with a fixed password and adds the account to confluence-users, granting default access to view and edit non-restricted pages. Exploitation requires the publicly known password and an active account, which can remain after the app is uninstalled and exposes all content allowed to that group.

The record

CVE
CVE-2022-26138
Published
Jul 20, 2022
Updated
Jan 12, 2026
Vendor
Atlassian
Product
Questions for Confluence
Classifications
CWE-798, T1078.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 20, 2022CVE publishedPublication date reported by the CVE source.
  2. Jan 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.7.34
  2. Affected versionversion=2.7.35
  3. Affected versionversion=3.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Atlassian · Questions for Confluenceversion=2.7.34; version=2.7.35; version=3.0.2

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsShadowserver observations through Sep 16, 2026. Gaps indicate unavailable data.
Sep 10, 2026Sep 16, 2026
View daily counts
Reporting dayUnique IPs
Sep 10, 20263
Sep 11, 20265
Sep 12, 20267
Sep 13, 20265
Sep 14, 20264
Sep 15, 2026Unavailable
Sep 16, 20262
Latest reporting daySep 16, 2026
Latest daily unique IPs2
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-798Use of Hard-coded Credentials
T1078.001Valid Accounts: Default Accounts

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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