CVE-2026-5557

| EUVD-2026-19062 MEDIUM
2026-04-05 VulDB GHSA-vm3q-w7cc-43ff
5.3
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
PoC Detected
Apr 07, 2026 - 13:20 vuln.today
Public exploit code
Analysis Generated
Apr 05, 2026 - 10:00 vuln.today
EUVD ID Assigned
Apr 05, 2026 - 10:00 euvd
EUVD-2026-19062
CVE Published
Apr 05, 2026 - 09:45 nvd
MEDIUM 5.3

Tags

Authentication Bypass

Description

A vulnerability was detected in badlogic pi-mono up to 0.58.4. This issue affects some unknown processing of the file packages/mom/src/slack.ts of the component pi-mom Slack Bot. The manipulation results in authentication bypass using alternate channel. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Analysis

Authentication bypass in badlogic pi-mono up to version 0.58.4 allows authenticated attackers to escalate privileges or access unauthorized Slack channels via the pi-mom Slack Bot component. The vulnerability stems from improper authentication validation in the Slack channel routing logic and can be exploited remotely by users with existing access to the system. …

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +26
POC: +20

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CVE-2026-5557 vulnerability details – vuln.today
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