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

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-05 · updated 2026-07-24
Weakness: CWE-287

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

badlogic pi-mono: 0.58.0, 0.58.1, 0.58.2, 0.58.3, 0.58.4

References

https://github.com/August829/CVEP/issues/28
https://vuldb.com/submit/782879
https://vuldb.com/vuln/355327
https://vuldb.com/vuln/355327/cti

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