Nuxt OG Image has unauthenticated SSRF via `fonts[].path` URL parameter

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-61793
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 15:16:48 UTC
Updated2026-09-17 16:17:33 UTC
DescriptionNuxt OG Image generates OG Images with Vue templates in Nuxt. From 6.0.2 until 6.7.0, nuxt-og-image exposes the unauthenticated /_og/d/** route when the documented defaults security.strict = false and security.secret = "" are used, and base64url-decodes the fonts parameter through decodeOgImageParams. Attacker-controlled fonts[].path values flow through loadDefinedFonts into the font-assets/node.js binding, which performs a server-side fetch without validating the URL scheme, origin, resolved address, or redirects. This permits blind requests to loopback, private, link-local, cloud metadata, and other internal HTTP services, while differences in the outer response status and timing can reveal service reachability. Slow targets can also occupy OG image render workers for the configured fetch and render timeouts. This issue is fixed in version 6.7.0.

Risk And Classification

Primary CVSS: v4.0 6.9 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-20 | CWE-441 | CWE-749 | CWE-918 | CWE-1188 | CWE-20 CWE-20: Improper Input Validation | CWE-441 CWE-441: Unintended Proxy or Intermediary ('Confused Deputy') | CWE-749 CWE-749: Exposed Dangerous Method or Function | CWE-918 CWE-918: Server-Side Request Forgery (SSRF) | CWE-1188 CWE-1188: Insecure Default Initialization of Resource

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:L/SI:N/SA:N/E:X/C...
4.0CNADECLARED6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:L/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
Low
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nuxt-modules Og-image affected >= 6.0.2, < 6.7.0 Not specified

References

ReferenceSourceLinkTags
github.com/nuxt-modules/og-image/security/advisories/GHSA-q8hw-4fvp-9rwv 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/nuxt-modules/og-image/pull/637 [email protected] github.com
github.com/nuxt-modules/og-image/releases/tag/v6.7.0 [email protected] github.com
github.com/nuxt-modules/og-image/commit/243cac2228671d3711c2bd65e300c278... [email protected] github.com
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