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CVE-2026-21579

This High severity Information Disclosure vulnerability was introduced in versions 7.17.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This Information Disclosure vulnerability, with a CVSS Score of 8.2, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f9d408bcb798dec865c95ce20fb444b816f5e4c1a4afd4d106379029676e939d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"Information Disclosure","lang":"en","type":"Information Disclosure"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"Confluence Data Center","vendor":"Atlassian","versions":[{"status":"affected","version":"10.2.0 to 10.2.13"},{"status":"affected","version":"10.1.0 to 10.1.2"},{"status":"affected","version":"10.0.2 to 10.0.3"},{"status":"affected","version":"9.2.0 to 9.2.21"},{"status":"affected","version":"9.1.0 to 9.1.1"},{"status":"affected","version":"9.0.1 to 9.0.3"},{"status":"affected","version":"8.9.5 to 8.9.8"},{"status":"affected","version":"8.5.14 to 8.5.31"},{"status":"affected","version":"7.19.26 to 7.19.30"},{"status":"unaffected","version":"10.2.14"},{"status":"unaffected","version"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"description":"Information Disclosure","lang":"en","type":"Information Disclosure"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999345"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/cna/references/0
{"url":"https://jira.atlassian.com/browse/CONFSERVER-104340"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c4a57e6aa94d92e463cd9879a99a01e9f33c8ba4eeefe1a9f0af2c6ee7762e7e · sha256:b2e93a9af2f158bf… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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