Atlassian security advisory (AV26-1002) - Update 2
Cybersecurity Classified by Officially
Serial number: AV26-1002
Date: October 5, 2026
Updated: October 15, 2026
As of October 5, 2026, Atlassian is affected by a vulnerability in the following products:
Update 1
Open source reporting indicates that CVE-2026-21589 is being exploited in the wild.
Update 2
On October 15, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-21589 to their Known Exploited Vulnerabilities (KEV) Database.
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Source: Canadian Centre for Cyber Security. Licence
Read the original at the source: https://cyber.gc.ca/en/alerts-advisories/atlassian-security-advisory-av26-1002
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Provenance
- Organization
- Canadian Centre for Cyber Security — imported from official source
- Official source
- https://www.cyber.gc.ca/api/cccs/rss/v1/get?feed=alerts_advisories&lang=en ATOM
- Imported
- October 06, 2026 14:00
- Versions
- 3 recorded
- Identity
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https://cyber.gc.ca/en/alerts-advisories/atlassian-security-advisory-av26-1002