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CVE-2026-94545NVD
Vulnerability Summary
Satori is a library to convert HTML and CSS to SVG. Starting in version 0.0.27 and prior to version 0.33.5, Satori does not properly escape certain values before including them in generated SVG output. This can allow crafted values to be interpreted as SVG markup. The impact depends on how the generated SVG is consumed. Version 0.33.5 contains a patch. No complete workaround exists besides upgrading. Applications that cannot immediately upgrade should not render attacker-controlled content with Satori.
CVSS v4.0 Base Metrics — Score 5.3 (MEDIUM)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsPresent
Privileges RequiredNone
User InteractionPassive
Confidentiality (Vulnerable System)None
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)High
Integrity (Subsequent System)High
Availability (Subsequent System)None
Affected & Patched Versions
- vercel satori >= >= 0.0.27, < 0.33.5
- vercel next >= >= 16.2.0, < 16.3.6
Not provided by cveorg for this CVE.
External References
- https://github.com/vercel/satori/security/advisories/GHSA-wx4j-mvgx-mqwp
- https://github.com/vercel/next.js/security/advisories/GHSA-vcvr-r3jv-pc5j
- https://github.com/vercel/satori/pull/814
- https://github.com/vercel/next.js/commit/868fad38690d72088868f299fa2bef339b26838e
- https://github.com/vercel/satori/commit/26a52affc031216fee5882b6e965c8dbc7ac1782
- https://github.com/vercel/next.js/releases/tag/v16.3.6