🛡️ CVE-2026-67585 — absinthe-federation

⚪ Unknown ✅ No Known Exploit CWE-770 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Atom Exhaustion via _entities Representation Keys in DivvyPayHQ absinthe_federation

Summary

Allocation of Resources Without Limits or Throttling vulnerability in DivvyPayHQ absinthe\_federation allows an unauthenticated remote attacker to abort the Erlang VM via crafted \_entities representation keys.

Every key of every object in the representations argument of the federation-mandated \_entities field is converted with String.to\_atom/1 by convert\_key/2 in lib/absinthe/federation/schema/entities\_field.ex. representations is typed as the open-ended \_Any scalar, so its keys bypass schema coercion and the attacker names them freely. Atoms are never garbage collected and the BEAM atom table is hard-capped (about 1,048,576 entries by default), so one request carrying tens of thousands of unique keys creates that many permanent atoms and a handful of such requests exhausts the table and aborts the node. The impact is confined to availability: no data is read or altered, and recovery requires restarting the application.

This issue affects absinthe\_federation: from 0.1.0 before 0.9.3.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-67585 is classified as CWE-770: Allocation of Resources Without Limits. Resources are allocated on request with no cap, so a client can exhaust them.

Affected software

CVE-2026-67585 is recorded against 2 packages.

  • absinthe-federation
  • unknown

Timeline and source

Published on 7 August 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com (Advisory)
cna.erlef.org (Web)
github.com (Fix)
hex.pm (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE CWE-770
Public Exploit ✅ No
Source NVD
Published 2026-08-07
Updated 2026-08-12
Modified 2026-08-07

Affected Packages

Software From version Fixed in
absinthe-federation — —
unknown — —

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