CVE-2023-30548 — gatsby-plugin-sharp is a plugin for the gatsby framework which exposes functions

gatsby-plugin-sharp is a plugin for the gatsby framework which exposes functions built on the Sharp image processing library. The gatsby-plugin-sharp plugin prior to versions 5.8.1 and 4.25.1 contains a path traversal vulnerability exposed when running the Gatsby develop server (

01What is this vulnerability?

gatsby-plugin-sharp is a plugin for the gatsby framework which exposes functions built on the Sharp image processing library. The gatsby-plugin-sharp plugin prior to versions 5.8.1 and 4.25.1 contains a path traversal vulnerability exposed when running the Gatsby develop server (`gatsby develop`). It should be noted that by default gatsby develop is only accessible via the localhost 127.0.0.1…

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-17T21:15:07.923
• Last modified: 2026-09-29T15:50:53.420

09References

• github.com — https://github.com/gatsbyjs/gatsby/commit/5f442081b227cc0879babb96858f970c4ce94c…
• github.com — https://github.com/gatsbyjs/gatsby/commit/dcf88ed01df2c26e0c93a41e1a2a840076d824…
• github.com — https://github.com/gatsbyjs/gatsby/security/advisories/GHSA-h2pm-378c-pcxx
• github.com — https://github.com/gatsbyjs/gatsby/commit/5f442081b227cc0879babb96858f970c4ce94c…
• github.com — https://github.com/gatsbyjs/gatsby/commit/dcf88ed01df2c26e0c93a41e1a2a840076d824…
• github.com — https://github.com/gatsbyjs/gatsby/security/advisories/GHSA-h2pm-378c-pcxx