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CVE-2023-50730

19
FAUCET Score

CVE-2023-50730 is a denial-of-service vulnerability affecting Grackle, a GraphQL server built on the Typelevel stack, prior to version 0.18.0. It stems from two distinct stack overflow issues: one related to cyclic GraphQL fragments and another due to the use of a non-stack-safe recursive operator in the parser for deeply nested queries. This vulnerability has a CVSS score of 7.5 (HIGH), indicating that it can be exploited remotely with low attack complexity, leading to a complete loss of availability for affected applications. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.18.0CPE matchmatch criteria
cpe:2.3:a:typelevel:grackle:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 29th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.typelevel:grackle-core_2.13Fixed in: 0.18.0
mavenpatch availablevia ghsa
Product: org.typelevel:grackle-core_3Fixed in: 0.18.0
mavenpatch availablevia ghsa
Product: org.typelevel:grackle-core_sjs1_2.13Fixed in: 0.18.0
mavenpatch availablevia ghsa
Product: org.typelevel:grackle-core_sjs1_3Fixed in: 0.18.0
mavenpatch availablevia ghsa
Product: org.typelevel:grackle-core_native0.4_2.13Fixed in: 0.18.0
mavenpatch availablevia ghsa
Product: org.typelevel:grackle-core_native0.4_3Fixed in: 0.18.0

Vendor Advisories (1)

mavenGHSA-g56x-7j6w-g8r8high

Grackle has StackOverflowError in GraphQL query processing

Dec 18, 2023

References

github.com / typelevel/grackle/commit/56e244b91659cf385df590fc6c46695b6f36cbfd
Patch
github.com / typelevel/grackle/releases/tag/v0.18.0
Release Notes
github.com / typelevel/grackle/security/advisories/GHSA-g56x-7j6w-g8r8
Vendor Advisory