CVE-2022-26138
Confirmed PUBLISHEDThe Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group with the username disabledsystemuser and a hardcoded password. A remote, unauthenticated attacker with knowledge of the hardcoded password could exploit this to log into Confluence and access all content accessible to users in the confluence-users group. This user account is created when installing versions 2.7.34, 2.7.35, and 3.0.2 of the app.
- CVE Published
- Jul 20, 2022
- Exploitation Reported
- Jul 29, 2022
- CVSS
- 9.8 Critical
- EPSS
- 98.2%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Atlassian |
Questions For Confluence
|
2.7.34 |
Affected |
| Atlassian |
Questions For Confluence
|
2.7.35 |
Affected |
| Atlassian |
Questions For Confluence
|
3.0.2 |
Affected |
CVE References
- jira.atlassian.com/browse/CONFSERVER-79483 jira.atlassian.com · CVE Record https://jira.atlassian.com/browse/CONFSERVER-79483
- confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-... confluence.atlassian.com · CVE Record https://confluence.atlassian.com/doc/confluence-security-advisory-202...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-07-29 00:00 UTC |
| The Shadowserver | 2026-05-31 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-26138.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2022-07-29 00:00:00 UTC · CISA
Proof of concept available
Recorded 2022-07-21 09:28:06 UTC · GitHub
Weaknesses (CWE)
-
Use of Hard-coded Credentials
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-26138.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2022-07-30 07:14:52 UTC · 15 stars
Confluence Hardcoded Password POC
github · Created 2022-07-28 09:48:21 UTC · 3 stars
Atlassian Confluence Server and Data Center: CVE-2022-26138
github · Created 2022-07-21 09:28:06 UTC · 31 stars
Atlassian Questions Hardcoded Password (CVE-2022-26138)
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 2 months ago00:00 UTC · about 2 months ago
KEV confirmed by The Shadowserver
Exploitation attested by an external source
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
00:00 UTC almost 4 years ago00:00 UTC · almost 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
09:28 UTC about 4 years ago09:28 UTC · about 4 years ago
Public PoC available
Public proof-of-concept code published
-
17:25 UTC about 4 years ago17:25 UTC · about 4 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2022-26138
{
"cve_id": "CVE-2022-26138",
"title": "The Atlassian Questions For Confluence app for Confluence Server and Data Cen...",
"affected_vendor": "Atlassian",
"affected_product": "Questions For Confluence",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": 0.9817,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}