CVE-2026-50193

jackson-databind: Deeply nested JsonNode throws StackOverflowError for toString()

Published Jun 23, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.13.0 until 2.14.0, a potential Denial-of-Service exists when attacker sends deeply nested JSON if (and only if) the service reads deeply nested (1000s of levels) JSON as JsonNode (ObjectMapper.readTree()) and writes out same (or modifided) node using JsonNode.toString(). This can consume significant amount of resources with concurrent relatively small requests (1000 nested arrays is 2kB). This vulnerability is fixed in 2.14.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-3wrr-7qpf-2prh jackson-databind: Deeply nested JsonNode throws StackOverflowError for toString()
History
Type Values Removed Values Added
Weaknesses CWE-1050
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Important

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Fasterxml
Fasterxml jackson-databind
Vendors & Products Fasterxml
Fasterxml jackson-databind
Type Values Removed Values Added
Description jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.13.0 until 2.14.0, a potential Denial-of-Service exists when attacker sends deeply nested JSON if (and only if) the service reads deeply nested (1000s of levels) JSON as JsonNode (ObjectMapper.readTree()) and writes out same (or modifided) node using JsonNode.toString(). This can consume significant amount of resources with concurrent relatively small requests (1000 nested arrays is 2kB). This vulnerability is fixed in 2.14.0.
Title jackson-databind: Deeply nested JsonNode throws StackOverflowError for toString()
Weaknesses CWE-400
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 24, 2026, 6:52 PM
Reserved
Jun 3, 2026, 10:05 PM
Status
Analyzed
Published
Jun 23, 2026, 9:17 PM
Modified
Oct 25, 2026, 11:10 PM
Severity
Important
Public date
Jun 23, 2026, 9:00 PM