{"items":[{"id":"NVI-00016222","kind":"vulnerability","title":"jackson-databind has case-insensitive deserialization bypasses per-property @JsonIgnoreProperties","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5jmj-h7xm-6q6v","CVE-2026-54515"],"plain_summary":"GitHub lists this reviewed advisory for com.fasterxml.jackson.core:jackson-databind, tools.jackson.core:jackson-databind, com.fasterxml.jackson.core:jackson-databind, com.fasterxml.jackson.core:jackson-databind, com.fasterxml.jackson.core:jackson-databind. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-4c0078da276e10d8f7dc4906452c4bd2"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-16T21:25:47.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4c0078da276e10d8f7dc4906452c4bd2"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4c0078da276e10d8f7dc4906452c4bd2","url":"https://github.com/advisories/GHSA-5jmj-h7xm-6q6v","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5jmj-h7xm-6q6v","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T09:59:26.779Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4c0078da276e10d8f7dc4906452c4bd2"],"technology":"com.fasterxml.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\nIn `BeanDeserializerBase.createContextual()`, per-property `@JsonIgnoreProperties` exclusions are applied by `_handleByNameInclusion()`, producing a `contextual` deserializer whose `BeanPropertyMap` has the ignored properties removed. The subsequent per-property case-insensitivity block (triggered by `@JsonFormat(ACCEPT_CASE_INSENSITIVE_PROPERTIES)`) rebuilds from `this._beanProperties` (the original, unfiltered map) instead of `contextual._beanProperties`, then overwrites the filtered map — restoring every property `_handleByNameInclusion` had just removed. The ignored property becomes writable again.\n\n## Impact\nAn application that both enables case-insensitive matching and relies on per-property `@JsonIgnoreProperties` to keep a field unwritable can have that field set from untrusted JSON (mass-assignment-style write).\n\n## Affected / Patched\nWill be fixed in 2.18.9, 2.21.5, 2.22.1 and 3.1.4.\n\n## Severity / CWE\nMaintainer: minor. Reporter: Moderate. CWE-915.\n\n## Upstream fix\nFasterXML/jackson-databind#5962 (PR #5964, `0e1b0b2`), milestone 3.1.4. Released 2026-06-04.","public_affected_ranges":[">= 3.1.0, < 3.1.4"]},{"certainty":"source_listed","source_ids":["sr-4c0078da276e10d8f7dc4906452c4bd2"],"technology":"tools.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\nIn `BeanDeserializerBase.createContextual()`, per-property `@JsonIgnoreProperties` exclusions are applied by `_handleByNameInclusion()`, producing a `contextual` deserializer whose `BeanPropertyMap` has the ignored properties removed. The subsequent per-property case-insensitivity block (triggered by `@JsonFormat(ACCEPT_CASE_INSENSITIVE_PROPERTIES)`) rebuilds from `this._beanProperties` (the original, unfiltered map) instead of `contextual._beanProperties`, then overwrites the filtered map — restoring every property `_handleByNameInclusion` had just removed. The ignored property becomes writable again.\n\n## Impact\nAn application that both enables case-insensitive matching and relies on per-property `@JsonIgnoreProperties` to keep a field unwritable can have that field set from untrusted JSON (mass-assignment-style write).\n\n## Affected / Patched\nWill be fixed in 2.18.9, 2.21.5, 2.22.1 and 3.1.4.\n\n## Severity / CWE\nMaintainer: minor. Reporter: Moderate. CWE-915.\n\n## Upstream fix\nFasterXML/jackson-databind#5962 (PR #5964, `0e1b0b2`), milestone 3.1.4. Released 2026-06-04.","public_affected_ranges":[">= 3.1.0, < 3.1.4"]},{"certainty":"source_listed","source_ids":["sr-4c0078da276e10d8f7dc4906452c4bd2"],"technology":"com.fasterxml.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\nIn `BeanDeserializerBase.createContextual()`, per-property `@JsonIgnoreProperties` exclusions are applied by `_handleByNameInclusion()`, producing a `contextual` deserializer whose `BeanPropertyMap` has the ignored properties removed. The subsequent per-property case-insensitivity block (triggered by `@JsonFormat(ACCEPT_CASE_INSENSITIVE_PROPERTIES)`) rebuilds from `this._beanProperties` (the original, unfiltered map) instead of `contextual._beanProperties`, then overwrites the filtered map — restoring every property `_handleByNameInclusion` had just removed. The ignored property becomes writable again.\n\n## Impact\nAn application that both enables case-insensitive matching and relies on per-property `@JsonIgnoreProperties` to keep a field unwritable can have that field set from untrusted JSON (mass-assignment-style write).\n\n## Affected / Patched\nWill be fixed in 2.18.9, 2.21.5, 2.22.1 and 3.1.4.\n\n## Severity / CWE\nMaintainer: minor. Reporter: Moderate. CWE-915.\n\n## Upstream fix\nFasterXML/jackson-databind#5962 (PR #5964, `0e1b0b2`), milestone 3.1.4. Released 2026-06-04.","public_affected_ranges":[">= 2.8.0, < 2.18.9"]},{"certainty":"source_listed","source_ids":["sr-4c0078da276e10d8f7dc4906452c4bd2"],"technology":"com.fasterxml.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\nIn `BeanDeserializerBase.createContextual()`, per-property `@JsonIgnoreProperties` exclusions are applied by `_handleByNameInclusion()`, producing a `contextual` deserializer whose `BeanPropertyMap` has the ignored properties removed. The subsequent per-property case-insensitivity block (triggered by `@JsonFormat(ACCEPT_CASE_INSENSITIVE_PROPERTIES)`) rebuilds from `this._beanProperties` (the original, unfiltered map) instead of `contextual._beanProperties`, then overwrites the filtered map — restoring every property `_handleByNameInclusion` had just removed. The ignored property becomes writable again.\n\n## Impact\nAn application that both enables case-insensitive matching and relies on per-property `@JsonIgnoreProperties` to keep a field unwritable can have that field set from untrusted JSON (mass-assignment-style write).\n\n## Affected / Patched\nWill be fixed in 2.18.9, 2.21.5, 2.22.1 and 3.1.4.\n\n## Severity / CWE\nMaintainer: minor. Reporter: Moderate. CWE-915.\n\n## Upstream fix\nFasterXML/jackson-databind#5962 (PR #5964, `0e1b0b2`), milestone 3.1.4. Released 2026-06-04.","public_affected_ranges":[">= 2.19.0, < 2.21.5"]},{"certainty":"source_listed","source_ids":["sr-4c0078da276e10d8f7dc4906452c4bd2"],"technology":"com.fasterxml.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\nIn `BeanDeserializerBase.createContextual()`, per-property `@JsonIgnoreProperties` exclusions are applied by `_handleByNameInclusion()`, producing a `contextual` deserializer whose `BeanPropertyMap` has the ignored properties removed. The subsequent per-property case-insensitivity block (triggered by `@JsonFormat(ACCEPT_CASE_INSENSITIVE_PROPERTIES)`) rebuilds from `this._beanProperties` (the original, unfiltered map) instead of `contextual._beanProperties`, then overwrites the filtered map — restoring every property `_handleByNameInclusion` had just removed. The ignored property becomes writable again.\n\n## Impact\nAn application that both enables case-insensitive matching and relies on per-property `@JsonIgnoreProperties` to keep a field unwritable can have that field set from untrusted JSON (mass-assignment-style write).\n\n## Affected / Patched\nWill be fixed in 2.18.9, 2.21.5, 2.22.1 and 3.1.4.\n\n## Severity / CWE\nMaintainer: minor. Reporter: Moderate. CWE-915.\n\n## Upstream fix\nFasterXML/jackson-databind#5962 (PR #5964, `0e1b0b2`), milestone 3.1.4. Released 2026-06-04.","public_affected_ranges":[">= 2.22.0, < 2.22.1"]}],"null_published_at":"2026-11-04T10:04:27.920Z","source_updated_at":"2026-07-16T21:25:47.000Z","source_disclosed_at":"2026-06-23T21:23:58.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-04T09:59:26.779Z"}],"next_cursor":null,"snapshot_revision":"42594"}