Authentication Bypass in badlogic pi-mono Slack Bot
CVE-2026-5557
Key Information:
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What is CVE-2026-5557?
A vulnerability in the badlogic pi-mono Slack Bot's file handling (specifically in packages/mom/src/slack.ts) allows for authentication bypass through an alternate communication channel. This issue can be exploited remotely, allowing unauthorized access to the system. The problem persists in all versions up to 0.58.4, and despite early notifications to the vendor, no remediation actions have been taken. The exploit has been publicly disclosed and poses a potential risk to users of the affected product.
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Affected Version(s)
pi-mono 0.58.0
pi-mono 0.58.1
pi-mono 0.58.2
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V4
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved