Research / Finding
Fixed path traversal in bulk file download via filename sanitization.
F-TELEGRAM-DESKTOP-FILENAME-TRAVERSAL-001
Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.
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Recorded evidence
—score not recorded
Fixed path traversal in bulk file download via filename sanitization.
fixed publicly
details
- Finding IDs
- F-TELEGRAM-DESKTOP-FILENAME-TRAVERSAL-001
- Status
- fixed publicly
- Reported via
- Telegram security contact
- Note
- public commit 82f9aa1a2a09 on 2026-03-31 sanitizes document filenames through FileNameFromUserString(...) in the affected bulk-download path.
F-TELEGRAM-DESKTOP-FILENAME-TRAVERSAL-001: File / path escapes. Untrusted filenames require sanitization before local path use. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.
Mechanism source for F-TELEGRAM-DESKTOP-FILENAME-TRAVERSAL-001
Security area (1seal assessment): Authorization. Untrusted filenames require sanitization before local path use. Reviewed 24 Sep 2026.
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