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

Published Jun 18, 2026
·
Updated

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 Software

1 affected component
PraisonAI praisonai<1.5.115

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade PraisonAI to a version that resolves this vulnerability.

    Fixed in 1.5.115
  2. Configuration

    Enforce uniqueness of agent IDs in the MultiAgentLedger (implement server-side checks to reject duplicate agent registrations) to prevent ledger instance sharing and information disclosure.

    MultiAgentLedger agent_id_uniqueness_enforcement = enabled

Event History

Jun 18, 2026
CVE Published
via MITRE·10:12 PM
Data Sourced
via MITRE·10:12 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeakness
Jan 30, 58435
Event
via NVD·09:05 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-56077?

The severity of CVE-2026-56077 is classified as medium with a score of 6.5.

2

How do I fix CVE-2026-56077?

To fix CVE-2026-56077, update to PraisonAI version 1.5.115 or later to ensure proper enforcement of unique agent IDs.

3

What type of vulnerability is CVE-2026-56077?

CVE-2026-56077 is an information disclosure vulnerability affecting the MultiAgentLedger component of PraisonAI.

4

Who can be impacted by CVE-2026-56077?

Users of PraisonAI prior to version 1.5.115 are at risk of exposure to sensitive data due to CVE-2026-56077.

5

What is the attack vector for CVE-2026-56077?

The attack vector for CVE-2026-56077 involves attackers registering agents with duplicate IDs to access shared ledger instances.

Contact

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