CVE-2022-31109: laminas-diactoros is a PHP package containing implementations of the PSR-7 HTTP message interfaces and PSR-17

Q: How do I fix CVE-2022-31109?

laminas-diactoros: upgrade to 2.11.1. Exact commands for each OS are on this page.

Q: Is CVE-2022-31109 being exploited?

CVE-2022-31109 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-2022-31109 affect?

CVE-2022-31109 affects laminas-diactoros. Severity is high (CVSS 7.2). laminas-diactoros is a PHP package containing implementations of the PSR-7 HTTP message interfaces and PSR-17 HTTP message factory interfaces. Applications that use Diactoros, and are either not behind a proxy, or can be accessed via untrus

Q: How urgent is CVE-2022-31109?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.2REMOTEUPGRADE

CVE-2022-31109 is a high-severity flaw (CVSS 7.2) affecting laminas-diactoros. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

laminas-diactoros is a PHP package containing implementations of the PSR-7 HTTP message interfaces and PSR-17 HTTP message factory interfaces. Applications that use Diactoros, and are either not behind a proxy, or can be accessed via untrusted proxies, can potentially have the host, protocol, and/or port of a `Laminas\Diactoros\Uri` instance associated with the incoming server request modified to reflect values from `X-Forwarded-*` headers. Such

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79, CWE-444
Published	2022-08-01
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2022-08-01 17:15 UTCPublished CVE record published
2026-06-17 04:44 UTCUpdated Record last modified

getlaminas laminas-diactoros UPGRADE

Affected: < 2.11.1

Fixed in: 2.11.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy laminas-diactoros || rpm -q laminas-diactoros || laminas-diactoros --version

2. UPGRADE to 2.11.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade laminas-diactoros

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade laminas-diactoros

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-2022-31109?

laminas-diactoros: upgrade to 2.11.1. Exact commands for each OS are on this page.

Is CVE-2022-31109 being exploited?

CVE-2022-31109 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-2022-31109 affect?

CVE-2022-31109 affects laminas-diactoros. Severity is high (CVSS 7.2). laminas-diactoros is a PHP package containing implementations of the PSR-7 HTTP message interfaces and PSR-17 HTTP message factory interfaces. Applications that use Diactoros, and are either not behind a proxy, or can be accessed via untrus

How urgent is CVE-2022-31109?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-29530 HIGH 7.5 UPGRADE UPGRADE Laminas Diactoros provides PSR HTTP Message implementations

References

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