CVE-2026-81636Public exploitNetwork attack vectorHinoki check available

Denial of service via pagination complexity undercount

Published Aug 30, 2026 · Updated Aug 30, 2026

Resource exhaustion in AshGraphql 0.16.23 through 1.10.1 allows remote attackers to interrupt GraphQL services via nested relay queries. AshGraphql.Graphql.Resolver.query_complexity/3 ignores first and last pagination arguments, undercounts nested fan-out, and permits unbounded database reads. Exposure requires a reachable schema using relay or keyset pagination and relying on Absinthe complexity limits; one crafted request can exhaust service resources.

CVSS severity8.7
High
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Resource exhaustion in AshGraphql 0.16.23 through 1.10.1 allows remote attackers to interrupt GraphQL services via nested relay queries. AshGraphql.Graphql.Resolver.query_complexity/3 ignores first and last pagination arguments, undercounts nested fan-out, and permits unbounded database reads. Exposure requires a reachable schema using relay or keyset pagination and relying on Absinthe complexity limits; one crafted request can exhaust service resources.

The record

CVE
CVE-2026-81636
Published
Aug 30, 2026
Updated
Aug 30, 2026
Vendor
Ash Framework
Product
AshGraphql
Classifications
CWE-770, CAPEC-130, T1499.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 30, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0.16.23 <1.11.0
  2. Affected versionversion=d8a3e1b15587180ad9cb3ceeb398863d086c163b <c3229f6a65cbabb32fd7ffcac881922d1b3b30ad

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ash Framework · AshGraphqlversion=0.16.23 <1.11.0; version=d8a3e1b15587180ad9cb3ceeb398863d086c163b <c3229f6a65cbabb32fd7ffcac881922d1b3b30ad

Published CVSS scores

8.7GitHub Security AdvisoryCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
CAPEC-130Excessive Allocation
T1499.003Application Exhaustion Flood

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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