Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure
Mentions the CVE; no further detail.
2 passages name itOriginal (opens in a new tab) ↗
CVE-2022-26138 KEVPublic exploit Critical · 9.8 EPSS 98.2%
Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability
Atlassian · Confluence
Summary
The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account, disabledsystemuser, in the confluence-users group with a hardcoded password. A remote, unauthenticated attacker who knows that hardcoded password can log in to Confluence and access all content available to the confluence-users group, with no user interaction required.
Official description · NVD
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.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
83.7 / 100
- Exploited
- Yes, in CISA KEV
- Reports
- 1
- Tactics
- 1/15
How an attack unfolds
Based on MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. mappings. Select a step to see the evidence.How attackers get in
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 9 days after disclosure. Public exploit code (PoC-in-GitHub) appeared 1 day after disclosure.
- Disclosedday 0
- Public exploit codePoC-in-GitHub+1 day
CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
1 TechniqueOne specific attacker behaviour in MITRE ATT&CK, such as T1190 “Exploit Public-Facing Application”. IDs with a dot, like T1059.004, are sub-techniques., grouped by TacticThe attacker’s goal at a stage of an attack in MITRE ATT&CK, such as Initial Access or Persistence. Each technique belongs to one or more tactics. in kill-chain order 1Credential AccessTA0006
Credentials In Files T1552.001
MITRE CTID mapping of the KEV entry · how it is exploited
CVE-2022-26138 is a hard-coded credentials vulnerability in the "Questions for Confluence" app.
Detection
0 rules for this CVE · 24 general rules for its techniquesRules for this CVE
0Sigma ruleAn open, vendor-neutral detection rule for log data. Security teams convert Sigma rules into searches for their own SIEM. that reference CVE-2022-26138 directly.CVE-specific rules are not available in this build. Search SigmaHQ ↗
General rules for this CVE’s techniques
These detect the technique in general, not this specific vulnerability.
Credentials In FilesT1552.00124 general rules
- Potential Russian APT Credential Theft Activitycriticalstable
- Copy Passwd Or Shadow From TMP Pathhightest
- Credentials In Fileshightest
- Credentials In Files - Linuxhightest
- HackTool - Typical HiveNightmare SAM File Exporthightest
- HackTool - WinPwn Executionhightest
- HackTool - WinPwn Execution - ScriptBlockhightest
- Linux Recon Indicatorshightest
Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.
What security researchers reported
Named in 1 threat report1 reportCISA
Reports are matched by finding the exact id CVE-2022-26138 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.
Also mentioned in 50 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- Actively_Exploited_Kev | Oct 29, 202628 Oct 2026
- Actively_Exploited_Kev | Oct 28, 202627 Oct 2026
- Actively_Exploited_Kev | Oct 27, 202626 Oct 2026
- Actively_Exploited_Kev | Oct 24, 202623 Oct 2026
- Actively_Exploited_Kev | Oct 23, 202622 Oct 2026
- Actively_Exploited_Kev | Oct 22, 202621 Oct 2026
- 44 more on OTX