Research / Finding
Fix web
F-TELEGRAM-IOS-SSRF-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 publicly
details
- Finding IDs
- F-TELEGRAM-IOS-SSRF-001
- Status
- fixed publicly
- Reported via
- Telegram security contact
- Note
- public commit 6eb201465096 on 2026-04-29 adds allowed-bot-media URL validation with canonical IPv4 parsing and public IPv4/IPv6 checks before Web App media_url fetches.
F-TELEGRAM-IOS-SSRF-001: Outbound request trust. Bot media URLs bypass the intended public-network destination boundary. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.
Mechanism source for F-TELEGRAM-IOS-SSRF-001
Security area (1seal assessment): Authorization. Bot media URLs bypass the intended public-network destination boundary. Reviewed 24 Sep 2026.
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