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Dependency upgrade saloonphp/saloon needed - security issue #9

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Description

@CanBeer

The saloonphp/saloon dependency has release a new version who fixed two security patches.

+-------------------+----------------------------------------------------------------------------------+
| Package           | saloonphp/saloon                                                                 |
| Severity          | medium                                                                           |
| Advisory ID       | PKSA-rnpm-45mg-w6ht                                                              |
| CVE               | CVE-2026-33183                                                                   |
| Title             | Saloon has a Fixture Name Path Traversal Vulnerability                           |
| URL               | https://github.com/advisories/GHSA-f7xc-5852-fj99                                |
| Affected versions | <4.0.0                                                                           |
| Reported at       | 2026-03-25T22:00:43+00:00                                                        |
| Ignore reason     | None specified                                                                   |
+-------------------+----------------------------------------------------------------------------------+
+-------------------+----------------------------------------------------------------------------------+
| Package           | saloonphp/saloon                                                                 |
| Severity          | medium                                                                           |
| Advisory ID       | PKSA-5szq-gvrg-ttfq                                                              |
| CVE               | CVE-2026-33182                                                                   |
| Title             | Saloon is vulnerable to SSRF and credential leakage via absolute URL in endpoint |
|                   | overriding base URL                                                              |
| URL               | https://github.com/advisories/GHSA-c83f-3xp6-hfcp                                |
| Affected versions | <4.0.0                                                                           |
| Reported at       | 2026-03-25T22:00:13+00:00                                                        |
| Ignore reason     | None specified                                                                   |
+-------------------+----------------------------------------------------------------------------------+

With the latest versions of Composer, a security alert is triggered during package installation. I just ignored the warning for the moment.

Gathering patches for root package.
Loading composer repositories with package information                                                                                                                          Updating dependencies                                 
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Root composer.json requires shipstream/fedex-rest-sdk 1.4.0 -> satisfiable by shipstream/fedex-rest-sdk[v1.4.0].
    - shipstream/fedex-rest-sdk v1.4.0 requires saloonphp/saloon ^3.8 -> found saloonphp/saloon[v3.8.0, ..., v3.15.0] but these were not loaded, because they are affected by security advisories ("PKSA-rnpm-45mg-w6ht", "PKSA-5szq-gvrg-ttfq"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config.

I am waiting for a new release including saloonphp/saloon version 4.0.0. Do you plan to do so?

Thank you.

Best regards

Activity

  1. colinmollenhour commented on Mar 27, 2026

    @colinmollenhour
    Contributor

    I've looked at all three vulnerabilities and determined they are not applicable in our case:

    1. We don't use OAuthAuthenticator at all and don't do any AccessTokenAuthenticator serialization (evidence)
    2. All overrides of resolveEndpoint return static strings (evidence)
    3. We don't use MockResponse::fixture at all (evidence)

    So I'm sure we will update, but I don't see it as being urgent other than to shut up all the dependency bots.. Of course, please check your own code for these vulnerabilities as it's possible yyour own code creates additional exposure (although it seems highly unlikely).

  2. colinmollenhour commented on May 5, 2026

    @colinmollenhour
    Contributor

    Planning to update this month.

  3. colinmollenhour commented on Jun 5, 2026

    @colinmollenhour
    Contributor

    Fixed in #10 and tagged as v1.5.0

  4. ajbonner commented on Jun 5, 2026

    @ajbonner

    Thanks for this 👍

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