CVE-2026-33182: Saloon is a PHP library that gives users tools to build API integrations and SDKs

Q: How do I fix CVE-2026-33182?

saloon: upgrade to 4.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-33182 being exploited?

CVE-2026-33182 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-2026-33182 affect?

CVE-2026-33182 affects saloon. Severity is high (CVSS 7.5). Saloon is a PHP library that gives users tools to build API integrations and SDKs. Prior to version 4.0.0, when building the request URL, Saloon combined the connector's base URL with the request endpoint. If the endpoint was a valid absolu

Q: How urgent is CVE-2026-33182?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2026-33182 is a high-severity flaw (CVSS 7.5) affecting saloon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Saloon is a PHP library that gives users tools to build API integrations and SDKs. Prior to version 4.0.0, when building the request URL, Saloon combined the connector's base URL with the request endpoint. If the endpoint was a valid absolute URL, the code used that URL as-is and ignored the base URL. The request—and any authentication headers, cookies, or tokens attached by the connector—was then sent to the attacker-controlled host. If the endp

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-522, CWE-918
Published	2026-03-26
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2026-03-26 01:16 UTCPublished CVE record published
2026-06-17 10:37 UTCUpdated Record last modified

saloon saloon UPGRADE

Affected: < 4.0.0

Fixed in: 4.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.0.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade saloon

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-2026-33182?

saloon: upgrade to 4.0.0. Exact commands for each OS are on this page.

Is CVE-2026-33182 being exploited?

CVE-2026-33182 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-2026-33182 affect?

CVE-2026-33182 affects saloon. Severity is high (CVSS 7.5). Saloon is a PHP library that gives users tools to build API integrations and SDKs. Prior to version 4.0.0, when building the request URL, Saloon combined the connector's base URL with the request endpoint. If the endpoint was a valid absolu

How urgent is CVE-2026-33182?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-33942 CRITICAL 9.8 UPGRADE Saloon is a PHP library that gives users tools to build API integrations and SDKs
CVE-2026-33183 CRITICAL 9.1 UPGRADE Saloon is a PHP library that gives users tools to build API integrations and SDKs

References

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