The vulnerability of the upload_attachment function in the MPC-server for Atlassian’s Model Context Protocol (MCP) products allows a perpetrator to disclose protected information.
🗓️ 17 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 3 Views
| Reporter | Title | Published | Views | Family All 7 |
|---|---|---|---|---|
 | CVE-2026-73496 | 14 Sep 202621:01 | – | circl |
 | CVE-2026-73496 | 14 Sep 202619:49 | – | cve |
 | CVE-2026-73496 MCP Atlassian: Arbitrary server-side file read via attachment upload | 14 Sep 202619:49 | – | cvelist |
 | EUVD-2026-77795 | 14 Sep 202619:49 | – | euvd |
 | CVE-2026-73496 | 14 Sep 202620:16 | – | nvd |
 | PT-2026-91441 | 14 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-73496 MCP Atlassian: Arbitrary server-side file read via attachment upload | 14 Sep 202619:49 | – | vulnrichment |
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17 Sep 2026 00:00Current
CVSS 26.8
CVSS 37.7
EPSS0.00327