CVE-2026-56077: PraisonAI - Information Disclosure via Shared MultiAgentLedger State

Severity: medium (CVSS 6.5 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: 2026-06-18 · updated 2026-06-23
Weakness: CWE-668

Description

PraisonAI before 1.5.115 contains an information disclosure vulnerability in the MultiAgentLedger component that allows attackers to access sensitive data by registering agents with duplicate IDs. Attackers can exploit the lack of agent ID uniqueness enforcement to share ledger instances and expose system prompts and conversation history between agents.

Affected products

PraisonAI: before 1.5.115 — fixed in 1.5.115

How to fix

Upgrade to a fixed version: PraisonAI 1.5.115. Check the vendor advisory for mitigations.

References

https://github.com/MervinPraison/PraisonAI
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-766v-q9x3-g744
https://www.vulncheck.com/advisories/praisonai-information-disclosure-via-shared-multiagentledger-state

Get alerted when CVE-2026-56077 or the next vulnerability affects your stack