Vulnerability · Published Apr 5, 2026 · Assigned by VulDB

CVE-2026-5557badlogic pi-mono pi-mom Slack Bot slack.ts authentication bypass

Medium 6.3

In plain English

A medium-severity authentication bypass in pi-mono from badlogic. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 69.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
badlogic	pi-mono	0.58.00.58.10.58.20.58.30.58.4

Weakness: CWE-288, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-355327 | badlogic pi-mono pi-mom Slack Bot slack.ts authentication bypass vdb-entry
VDB-355327 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #782879 | badlogic pi-mono 0.58.4 Unauthenticated Remote Code Execution third-party-advisory
https://github.com/August829/CVEP/issues/28 exploit, issue-tracking