CVSS 4.0
8.7 highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NCVE-2026-29062
High (8.7) in fasterxml jackson-core. EPSS 0.6% chance of exploitation in the next 30 days. Fixed in tools.jackson.core:jackson-core 3.1.0.
jackson-core contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. From version 3.0.0 to before version 3.1.0, the UTF8DataInputJsonParser, which is used when parsing from a java.io.DataInput source, bypasses the maxNestingDepth constraint (default: 500) defined in StreamReadConstraints. A similar issue was found in ReaderBasedJsonParser. This allows a user to supply a JSON document with excessive nesting, which can cause a StackOverflowError when the structure is processed, leading to a Denial of Service (DoS). This issue has been patched in version 3.1.0.
Severity
CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-770, CWE-1284
- Published
- Modified
- Record from
- the NVD, synced
Affected
- fasterxml:jackson-core
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-6v53-7c9g-w56r | Maven | tools.jackson.core:jackson-core | >=3.0.0 <3.1.0 | 3.1.0 |
References
- https://github.com/FasterXML/jackson-core/commit/8b25fd67f20583e75fb09564ce1eaab06cd5a902
- https://github.com/FasterXML/jackson-core/pull/1554
- https://github.com/FasterXML/jackson-core/security/advisories/GHSA-6v53-7c9g-w56r
- https://access.redhat.com/security/cve/CVE-2026-29062
- https://bugzilla.redhat.com/show_bug.cgi?id=2445135