CVE-2026-107376: webonyx/graphql-php has unbounded recursion in parser that causes stack overflow on crafted nested input

high Affects webonyx/graphql-php. Feed 2026.10.29.1, updated 2026-10-28; published 2026-05-05; advisory modified 2026-10-09.

webonyx/graphql-php has unbounded recursion in parser that causes stack overflow on crafted nested input

Package: webonyx/graphql-php Composer
Affected versions: <15.32.3
Fixed in: 15.32.3
Severity: high CVSS 8.2
Exploitation: not on CISA KEV · EPSS 0% (38.9th percentile)
Published: 2026-05-05
Source: osv.dev

References

CWE-674

NVD record webonyx/graphql-php advisories

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Related advisories

CVE-2026-40476 high graphql-php is affected by a Denial of Service via quadratic complexity in OverlappingFiel same package: webonyx/graphql-php
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CVE-2023-50251 medium Denial of service caused by infinite recursion when parsing SVG document same weakness: CWE-674
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