CVE-2024-29186: Bref is an open-source project that helps users go serverless on Amazon Web Services with PHP

Q: How do I fix CVE-2024-29186?

bref: upgrade to 2.1.17. Exact commands for each OS are on this page.

Q: Is CVE-2024-29186 being exploited?

CVE-2024-29186 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-2024-29186 affect?

CVE-2024-29186 affects bref. Severity is medium (CVSS 5.3). Bref is an open-source project that helps users go serverless on Amazon Web Services with PHP. When Bref prior to version 2.1.17 is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda

Q: How urgent is CVE-2024-29186?

Priority 47/100. Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

This week

MEDIUM 5.3REMOTEWATCHLISTUPGRADE

CVE-2024-29186 is a medium-severity flaw (CVSS 5.3) affecting bref. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Bref is an open-source project that helps users go serverless on Amazon Web Services with PHP. When Bref prior to version 2.1.17 is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed. In the parsing process, the `Content-Type` header of each part is read using the `Riverlin

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-400
Published	2024-03-22
Last modified	2026-06-17

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

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-03-22 17:15 UTCPublished CVE record published
2026-06-17 07:22 UTCUpdated Record last modified

mnapoli bref UPGRADE

Affected: < 2.1.17

Fixed in: 2.1.17

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.1.17 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bref

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-2024-29186?

bref: upgrade to 2.1.17. Exact commands for each OS are on this page.

Is CVE-2024-29186 being exploited?

CVE-2024-29186 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-2024-29186 affect?

CVE-2024-29186 affects bref. Severity is medium (CVSS 5.3). Bref is an open-source project that helps users go serverless on Amazon Web Services with PHP. When Bref prior to version 2.1.17 is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda

How urgent is CVE-2024-29186?

Priority 47/100. Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

PHP vulnerabilities · AWS vulnerabilities

Related CVEs

CVE-2024-24754 LOW 3.7 UPGRADE Bref enable serverless PHP on AWS Lambda
CVE-2024-24753 MEDIUM 4.8 UPGRADE Bref enable serverless PHP on AWS Lambda
CVE-2024-24752 MEDIUM 6.5 UPGRADE Bref enable serverless PHP on AWS Lambda

References

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