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RUSTSEC-2026-0419 (GHSA-FJ3H-2JC3-973V)
Vulnerability from osv_rustsec – Published: 2026-10-29 12:00 – Updated: 2026-10-29 14:05 – Source website
VLAI
Summary
Unbounded memory use on large request bodies
Details
The make_graphql_filter() and make_graphql_filter_sync() filters of juniper_warp read the whole body of a POST request into memory before they parsed the body. The filters had no limit on the size of the body. A client could thus send a large body and exhaust the memory of the server. The request needs no authentication.
juniper_warp 0.9.1 reads at most 2 MiB of a request body by default. The filters respond with 413 Payload Too Large to larger bodies. make_graphql_filter_with_body_limit() and make_graphql_filter_sync_with_body_limit() set another limit.
Severity
7.5 (High)
References
{
"affected": [
{
"database_specific": {
"categories": [
"denial-of-service"
],
"cvss": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"informational": null
},
"ecosystem_specific": {
"affected_functions": null,
"affects": {
"arch": [],
"functions": [],
"os": []
}
},
"package": {
"ecosystem": "crates.io",
"name": "juniper_warp",
"purl": "pkg:cargo/juniper_warp"
},
"ranges": [
{
"events": [
{
"introduced": "0.0.0-0"
},
{
"fixed": "0.9.1"
}
],
"type": "SEMVER"
}
],
"versions": []
}
],
"aliases": [
"GHSA-fj3h-2jc3-973v"
],
"database_specific": {
"license": "CC0-1.0"
},
"details": "The `make_graphql_filter()` and `make_graphql_filter_sync()` filters of `juniper_warp` read the whole body of a POST request into memory before they parsed the body. The filters had no limit on the size of the body. A client could thus send a large body and exhaust the memory of the server. The request needs no authentication.\n\n`juniper_warp` 0.9.1 reads at most 2 MiB of a request body by default. The filters respond with `413 Payload Too Large` to larger bodies. `make_graphql_filter_with_body_limit()` and `make_graphql_filter_sync_with_body_limit()` set another limit.",
"id": "RUSTSEC-2026-0419",
"modified": "2026-10-29T14:05:38Z",
"published": "2026-10-29T12:00:00Z",
"references": [
{
"type": "PACKAGE",
"url": "https://crates.io/crates/juniper_warp"
},
{
"type": "ADVISORY",
"url": "https://rustsec.org/advisories/RUSTSEC-2026-0419.html"
},
{
"type": "WEB",
"url": "https://github.com/graphql-rust/juniper/pull/1406"
}
],
"related": [],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Unbounded memory use on large request bodies"
}