What is CVE-2026-42793?

CVE-2026-42793 is a high-severity vulnerability in Absinthe-graphql Absinthe, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-08.

How severe is CVE-2026-42793?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Absinthe-graphql Absinthe

CVE-2026-42793

Allocation of Resources Without Limits or Throttling vulnerability in absinthe-graphql absinthe allows unauthenticated denial of service via atom table exhaustion when parsing attacker-controlled GraphQL SDL. Multiple Blueprint.Draft.conv…

EPSS: 0.000 (9.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Absinthe-graphql Absinthe — versions 1.5.0, d0eae7764520d4e8e5dfff619068c0de911aec33

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Exploit, vendor-advisory, Vendor Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Third Party Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Third Party Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Patch, patch)

Frequently asked questions

What is CVE-2026-42793?: CVE-2026-42793 is a high-severity vulnerability in Absinthe-graphql Absinthe, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-08.
How severe is CVE-2026-42793?: High severity. CVSS v3 base score is 7.5 out of 10.