Hazard

Is CVE-2022-26138 being exploited?

Weaponised and widely attempted

Reliable public exploit code exists, or mass exploitation attempts are probable. Patch inside days, not weeks.

Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability

Atlassian · Confluence

CVSS 9.8 EPSS 98% no public exploit indexed Fix deadline passed 19 August 2022

What it is

Atlassian Questions For Confluence App has hard-coded credentials, exposing the username and password in plaintext. A remote unauthenticated attacker can use these credentials to log into Confluence and access all content accessible to users in the confluence-users group.

Why we say that

  • EPSS puts exploitation in the next 30 days at 98%
  • CISA's federal remediation deadline (2022-08-19) has passed
  • CVSS 9.8 critical
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply updates per vendor instructions.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. Where an unfixed vulnerability leads to a breach, the ICO treats it as a security failure under UK GDPR. Recent cases:

All UK cases caused by unpatched software →