Exposure of data and identity to wrong session in Spring for GraphQL

published 2023-09-20 3 y ago modified 2026-06-17 4 mo ago also GHSA-frqc-f2h8-fjvf , EUVD-2023-2495

cvss: 3.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

A batch loader function in Spring for GraphQL versions 1.1.0 - 1.1.5 and 1.2.0 - 1.2.2 may be exposed to GraphQL context with values, including security context values, from a different session. An application is vulnerable if it provides a DataLoaderOptions instance when registering batch loader functions through DefaultBatchLoaderRegistry.

Patch / fix

fixed in 2

maven org.springframework.graphql:spring-graphql 1.1.6, 1.2.3
Spring Spring for GraphQL 1.1.6, 1.2.3

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-24)

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
GitHub	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.springframework.graphql:spring-graphql	>=1.1.0, <1.1.6 >=1.2.0, <1.2.3	1.1.6 1.2.3

Affected products

Spring Spring for GraphQL

References

spring.io /security/cve-2023-34047
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2023-34047
advisory
github.com /spring-projects/spring-graphql
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary