Improve GHSA-5jmj-h7xm-6q6v

Author: smallex

advisories/github-reviewed/2026/06/GHSA-5jmj-h7xm-6q6v/GHSA-5jmj-h7xm-6q6v.json

@@ -1,39 +1,20 @@
 {
   "schema_version": "1.4.0",
   "id": "GHSA-5jmj-h7xm-6q6v",
-  "modified": "2026-06-30T21:06:37Z",
+  "modified": "2026-06-30T21:06:39Z",
   "published": "2026-06-23T21:23:58Z",
   "aliases": [
     "CVE-2026-54515"
   ],
-  "summary": "jackson-databind has case-insensitive deserialization bypasses per-property @JsonIgnoreProperties",
-  "details": "## 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.",
+  "summary": "Case-insensitive deserialization bypasses per-property @JsonIgnoreProperties in jackson-databind",
+  "details": "## 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\nFixed 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.\n\n## Credits\n",
   "severity": [
     {
       "type": "CVSS_V3",
       "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
     }
   ],
   "affected": [
-    {
-      "package": {
-        "ecosystem": "Maven",
-        "name": "com.fasterxml.jackson.core:jackson-databind"
-      },
-      "ranges": [
-        {
-          "type": "ECOSYSTEM",
-          "events": [
-            {
-              "introduced": "3.1.0"
-            }
-          ]
-        }
-      ],
-      "database_specific": {
-        "last_known_affected_version_range": "< 3.1.4"
-      }
-    },
     {
       "package": {
         "ecosystem": "Maven",
@@ -64,13 +45,13 @@
           "events": [
             {
               "introduced": "2.8.0"
+            },
+            {
+              "fixed": "2.18.9"
             }
           ]
         }
-      ],
-      "database_specific": {
-        "last_known_affected_version_range": "< 2.18.9"
-      }
+      ]
     },
     {
       "package": {
@@ -83,13 +64,13 @@
           "events": [
             {
               "introduced": "2.19.0"
+            },
+            {
+              "fixed": "2.21.5"
             }
           ]
         }
-      ],
-      "database_specific": {
-        "last_known_affected_version_range": "< 2.21.5"
-      }
+      ]
     },
     {
       "package": {
@@ -102,13 +83,13 @@
           "events": [
             {
               "introduced": "2.22.0"
+            },
+            {
+              "fixed": "2.22.1"
             }
           ]
         }
-      ],
-      "database_specific": {
-        "last_known_affected_version_range": "< 2.22.1"
-      }
+      ]
     }
   ],
   "references": [