01 Record

CVE-2026-21589

This CVE's publication may have been a false positive or a mistake. As a result, we have rejected this record.

UnratedKEVREJECTEDCNA: atlassian

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

This CVE's publication may have been a false positive or a mistake. As a result, we have rejected this record.

03 Exploitation and scoring

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-10-15. Federal remediation due 2026-10-18.
SSVC decision: Not assessed by CISA
EPSS probability: 12.71% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 96.2% of scored records. A rank, not a probability.
NVD base score: 9.3 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status: Analyzed. NVD last modified this record on 2026-10-16.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published: 2026-10-05 21:30Z11 DAYS AGO
Last updated: 2026-10-16 20:39Z1 HR AGO
Reserved: 2026-01-01
Assigning CNA: atlassian
Record state: REJECTED
Severity: Not rated by the issuing CNA
CNA CVSS vector: Not published by the issuing CNA
Weaknesses: No CWE assigned
Data version: 5.2
Document digest: 6c9ab98f06f452ab9449a4f7b484ec3e1ab11cf9fd105a0d1d811e89a0540b20

05 Affected products

VendorProductVersionsPlatforms

atlassianbambooNot specified—

atlassianbitbucket_data_centerNot specified—

atlassianbitbucket_serverNot specified—

atlassianconfluence_data_centerNot specified—

atlassiancrowdNot specified—

atlassiancrucibleNot specified—

atlassianfisheyeNot specified—

atlassianjira_data_centerNot specified—

atlassianjira_service_deskNot specified—

atlassianjira_service_managementNot specified—

06 References

No references

The upstream record lists no references. If it was published recently the CNA may still be adding advisories; the raw document is the authority and updates land here within about 15 minutes.