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CVE-2025-22145 — carbon

Fix: briannesbitt/Carbon@129700e

CVE-2025-22145 is a CWE-98 vulnerability in nesbot/carbon. A fix is available for nesbot/carbon — see the affected versions and patch details below.

Carbon has an arbitrary file include via unvalidated input passed to Carbon::setLocale

Also known asGHSA-j3f9-p6hm-5w6q
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-22145.

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs55th percentile — riskier than 55% of all scored CVEsHighest risk
0.00%0.42%0.84%1.25%0.1%0.8%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

2 pkgs affected
🐘nesbot/carbon🐘nesbot/carbon

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Impact

Application passing unsanitized user input to Carbon::setLocale are at risk of arbitrary file include, if the application allows users to upload files with .php extension in an folder that allows include or require to read it, then they are at risk of arbitrary code ran on their servers.

Patches

Workarounds

Any of the below actions can be taken to prevent the issue:

  • Validate input before calling setLocale(), for instance by forbidding or removing / and \
  • Call setLocale() only with a locale from a whitelist of supported locales
  • When uploading files, rename them so they cannot have a .php extension (this is recommended even if you're not affected by this issue)
  • Prefer storage system that are not local to the application (remote service, or local service ran by another user so the uploaded files actually live outside of the application basedir)

References

https://en.wikipedia.org/wiki/File_inclusion_vulnerability

Credits

Thanks to Szczepan Hołyszewski who reported the issue and to Tidelift to coordinate the resolution

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistnesbot/carbon≥ 3.0.0&&< 3.8.43.8.4composer require nesbot/carbon:^3.8.4
🐘Packagistnesbot/carbonall versions2.72.6composer require nesbot/carbon:^2.72.6

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for nesbot/carbon, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update nesbot/carbon to 3.8.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-22145 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

### Impact Application passing unsanitized user input to `Carbon::setLocale` are at risk of arbitrary file include, if the application allows users to upload files with `.php` extension in an folder that allows `include` or `require` to read it, then they are at risk of arbitrary code ran on their servers. ### Patches - [3.8.4](https://github.com/briannesbitt/Carbon/releases/tag/3.8.4) - [2.72.6](https://github.com/briannesbitt/Carbon/releases/tag/2.72.6) ### Workarounds Any of the below actions can be taken to prevent the issue: - Validate input before calling `setLocale()`, for instance by
O3 Security · Impact-Aware SCA

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CVE-2025-22145: carbon RCE — Fixed in 3.8.4