Research / Finding
TelegramApi: regenerate Api*/SecretApiLayer*.swift with safe flag unwrap
F-TELEGRAM-IOS-SECRETAPI-LOCKOUT-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
TelegramApi: regenerate Api*/SecretApiLayer*.swift with safe flag unwrap
fixed publicly
details
- Finding IDs
- F-TELEGRAM-IOS-SECRETAPI-LOCKOUT-001
- Status
- fixed publicly
- Reported via
- Telegram security contact
- Note
- public commit 2dd07ef8cc79 on 2026-04-21 replaces Int(_1!) flag checks with Int(_1 ?? 0), removing the SecretApiLayer force-unwrap crash on truncated decryptedMessage inputs.
F-TELEGRAM-IOS-SECRETAPI-LOCKOUT-001: Input / state handling. Truncated secret-message flags reach a force unwrap. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.
Mechanism source for F-TELEGRAM-IOS-SECRETAPI-LOCKOUT-001
Security area (1seal assessment): Availability. Truncated secret-message flags reach a force unwrap. Reviewed 24 Sep 2026.
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