CVE-2025-52571Network attack vector

Server takeover via trusted edited channel posts

Published Jun 24, 2025 · Updated Jun 24, 2025

Improper authentication in Hikka before 1.6.2 allows remote attackers to execute commands and access the linked Telegram account. The dispatcher trusts the outgoing flag retained on an edited channel post, so another channel editor can replace a victim-authored post with a Hikka command. Exploitation requires the victim to publish in a channel editable by the attacker; execution grants control of the Hikka host and Telegram session.

CVSS severity9.6
Critical
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in Hikka before 1.6.2 allows remote attackers to execute commands and access the linked Telegram account. The dispatcher trusts the outgoing flag retained on an edited channel post, so another channel editor can replace a victim-authored post with a Hikka command. Exploitation requires the victim to publish in a channel editable by the attacker; execution grants control of the Hikka host and Telegram session.

The record

CVE
CVE-2025-52571
Published
Jun 24, 2025
Updated
Jun 24, 2025
Vendor
hikariatama
Product
Hikka
Classifications
CWE-287, T1059
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 1.6.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

hikariatama · Hikkaversion=< 1.6.2

Published CVSS scores

9.6GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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