CVE-2026-40115: PraisonAI is a multi-agent teams system

Q: How do I fix CVE-2026-40115?

praisonai: upgrade to 4.5.128. Exact commands for each OS are on this page.

Q: Is CVE-2026-40115 being exploited?

CVE-2026-40115 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-40115 affect?

CVE-2026-40115 affects praisonai. Severity is medium (CVSS 6.2). PraisonAI is a multi-agent teams system. Prior to 4.5.128, the WSGI-based recipe registry server (server.py) reads the entire HTTP request body into memory based on the client-supplied Content-Length header with no upper bound. Combined wit

Q: How urgent is CVE-2026-40115?

Priority 33/100. Public exploit reference

Routine

MEDIUM 6.2UPGRADE

CVE-2026-40115 is a medium-severity flaw (CVSS 6.2) affecting praisonai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PraisonAI is a multi-agent teams system. Prior to 4.5.128, the WSGI-based recipe registry server (server.py) reads the entire HTTP request body into memory based on the client-supplied Content-Length header with no upper bound. Combined with authentication being disabled by default (no token configured), any local process can send arbitrarily large POST requests to exhaust server memory and cause a denial of service. The Starlette-based server (s

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-770
Published	2026-04-09
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: praison

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-09 22:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

praison praisonai UPGRADE

Affected: < 4.5.128

Fixed in: 4.5.128

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy praisonai || rpm -q praisonai || praisonai --version

2. UPGRADE to 4.5.128 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade praisonai

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade praisonai

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-40115?

praisonai: upgrade to 4.5.128. Exact commands for each OS are on this page.

Is CVE-2026-40115 being exploited?

CVE-2026-40115 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-40115 affect?

CVE-2026-40115 affects praisonai. Severity is medium (CVSS 6.2). PraisonAI is a multi-agent teams system. Prior to 4.5.128, the WSGI-based recipe registry server (server.py) reads the entire HTTP request body into memory based on the client-supplied Content-Length header with no upper bound. Combined wit

How urgent is CVE-2026-40115?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2026-40288 CRITICAL 9.8 UPGRADE UPGRADE PraisonAI is a multi-agent teams system
CVE-2026-40289 CRITICAL 9.1 UPGRADE UPGRADE PraisonAI is a multi-agent teams system
CVE-2026-40315 CRITICAL 9.8 UPGRADE PraisonAI is a multi-agent teams system
CVE-2026-40116 HIGH 7.5 UPGRADE PraisonAI is a multi-agent teams system
CVE-2026-40113 HIGH 8.4 UPGRADE PraisonAI is a multi-agent teams system

References

← Back to latest CVEs