CVE-2026-42793: Allocation of Resources Without Limits or Throttling vulnerability in absinthe-graphql absinthe allows unauthe

Q: How do I fix CVE-2026-42793?

absinthe: upgrade to 1.10.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-42793 being exploited?

CVE-2026-42793 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-42793 affect?

CVE-2026-42793 affects absinthe. Severity is high (CVSS 7.5). 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.conve

Q: How urgent is CVE-2026-42793?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-42793 is a high-severity flaw (CVSS 7.5) affecting absinthe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.convert/2 implementations in Absinthe's SDL language modules call String.to_atom/1 on attacker-controlled names from parsed GraphQL SDL documents, including directive names, field names, type names, and argument nam

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-770
Published	2026-05-08
Last modified	2026-06-17

Publisher (CNA): EEF · Vendor: absinthe-graphql

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-08 16:16 UTCPublished CVE record published
2026-06-17 10:48 UTCUpdated Record last modified

absinthe-graphql absinthe UPGRADE

Affected: > 1.5.0 and < 1.10.2

Fixed in: 1.10.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy absinthe || rpm -q absinthe || absinthe --version

2. UPGRADE to 1.10.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade absinthe

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade absinthe

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42793?

absinthe: upgrade to 1.10.2. Exact commands for each OS are on this page.

Is CVE-2026-42793 being exploited?

CVE-2026-42793 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42793 affect?

CVE-2026-42793 affects absinthe. Severity is high (CVSS 7.5). 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.conve

How urgent is CVE-2026-42793?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-43967 HIGH 7.5 UPGRADE Inefficient Algorithmic Complexity vulnerability in absinthe-graphql absinthe allows unauthenticated denial of

References

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