CVE-2026-110768: holaOS through 2026.822.1 Authorization Bypass via Telegram Connector Username Allowlist

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-14 · updated 2026-10-20
Weakness: CWE-290

Description

holaOS through 2026.822.1 contains an authorization bypass vulnerability in the channel-gateway Telegram connector that authorizes senders by mutable username rather than only numeric id. Attackers who register a released username listed in allowFrom can submit turns to the bound workspace agent, which runs configured tools on the operator's machine.

Affected products

holaboss-ai holaOS: through 2026.822.1

References

https://github.com/holaboss-ai/holaOS
https://github.com/holaboss-ai/holaOS/blob/4684714ee133794cdbb86630e42b7d93447fb2e2/runtime/channel-gateway/src/connectors/telegram.ts#L491
https://hackmd.io/@hieuPenguinnn/holaos-channel-gateway-allow-all-sender-default
https://www.vulncheck.com/advisories/holaos-through-2026.822.1-authorization-bypass-via-telegram-connector-username-allowlist

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