CVE-2026-77258Published
MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-77258 · Microsoft / collected KEV context
cve-program · CVE-2026-77258
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.