{"id":"CVE-2023-49559","aliases":["GHSA-2hmf-46v7-v6fx","GO-2024-2920"],"title":"gqlparser denial of service vulnerability via the parserDirectives function","summary":"gqlparser denial of service vulnerability via the parserDirectives function","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","vendor":"vektah","product":"github.com/vektah/gqlparser/v2","ecosystem":"go","affected":["github.com/vektah/gqlparser/v2 < 2.5.14","github.com/vektah/gqlparser < 2.5.14"],"patched":["github.com/vektah/gqlparser/v2 2.5.14","github.com/vektah/gqlparser 2.5.14"],"published":"2024-06-12","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:14.729633897Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-2hmf-46v7-v6fx","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49559"},{"url":"https://github.com/99designs/gqlgen/issues/3118"},{"url":"https://github.com/vektah/gqlparser/commit/36a3658873bf5a107f42488dfc392949cdd02977"},{"url":"https://gist.github.com/uvzz/d3ed9d4532be16ec1040a2cf3dfec8d1"},{"url":"https://github.com/advisories/GHSA-2hmf-46v7-v6fx"},{"url":"https://github.com/vektah/gqlparser"},{"url":"https://github.com/vektah/gqlparser/blob/master/parser/query.go#L316"}],"tags":["osv","go"],"epss":0.00595,"epssPercentile":0.47154,"ingestedAt":"2026-09-12T03:13:01.745Z","slug":"CVE-2023-49559","body":"## Overview\n\nAn issue in vektah gqlparser open-source-library v.2.5.10 allows a remote attacker to cause a denial of service via a crafted script to the parserDirectives function.\n\n## Affected packages\n\n- `github.com/vektah/gqlparser/v2 < 2.5.14`\n- `github.com/vektah/gqlparser < 2.5.14`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/vektah/gqlparser/v2 2.5.14`\n- `github.com/vektah/gqlparser 2.5.14`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}