Critical severity · published Jun 11, 2026
CVE-2026-41699
Unsafe Deserialization in Spring GraphQL
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
Spring for GraphQL applications are vulnerable to Unsafe Deserialization when processing paginated GraphQL queries. An attacker can craft a malicious GraphQL request that can lead to Remote Code Execution when the application exposes a paginated (Connection) field and the classpath contains specific classes that can be leveraged during deserialization.
Affected versions:
Spring for GraphQL 2.0.0 through 2.0.3; 1.4.0 through 1.4.5; 1.3.0 through 1.3.8.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Spring for GraphQL · Spring
2.0.0 before 2.0.3.1; 1.4.0 before 1.4.5.1; 1.3.0 before 1.3.9 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41699
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41699
Vendor Advisory
https://spring.io/security/cve-2026-41699
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