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CVE-2026-5557: Authentication Bypass Using Alternate Channel in badlogic pi-mono

0
Medium
VulnerabilityCVE-2026-5557cvecve-2026-5557
Published: Sun Apr 05 2026 (04/05/2026, 09:45:15 UTC)
Source: CVE Database V5
Vendor/Project: badlogic
Product: pi-mono

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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/12/2026, 15:09:41 UTC

Technical Analysis

This vulnerability affects the badlogic pi-mono product, specifically the Slack Bot component in the file packages/mom/src/slack.ts. An attacker can manipulate processing in this component to bypass authentication by using an alternate communication channel. The issue impacts versions 0.58.0 through 0.58.4. The vulnerability is remotely exploitable without user interaction and requires low privileges. The CVSS 4.0 base score is 5.3, indicating medium severity. The vendor has not provided a patch or remediation, and the exploit is publicly known.

Potential Impact

Successful exploitation allows an attacker to bypass authentication controls remotely, potentially gaining unauthorized access to the affected system or component. This could lead to unauthorized actions or access within the pi-mono environment. The vulnerability does not require user interaction and can be exploited with low privileges, increasing the risk of compromise. However, the impact is limited to the affected component and does not indicate system-wide compromise or data confidentiality loss based on available data.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no official patch is available, users should monitor for updates from badlogic. Until a fix is released, consider restricting network access to the affected component or implementing compensating controls to limit exposure to remote attacks targeting the Slack Bot functionality.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-04-04T13:50:06.661Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 69d232be0a160ebd92c6ef65

Added to database: 4/5/2026, 10:00:30 AM

Last enriched: 4/12/2026, 3:09:41 PM

Last updated: 5/20/2026, 8:50:17 PM

Views: 118

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