CVE-2026-40977 (GCVE-0-2026-40977)

Vulnerability from cvelistv5 – Published: 2026-04-27 23:36 – Updated: 2026-04-28 14:34
VLAI
Summary
When an application is configured to use `ApplicationPidFileWriter`, a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started. Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); PID file / symlink behavior (`ApplicationPidFileWriter`). Versions that are no longer supported are also affected per vendor advisory.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-28 13:55 UTC
CWE
  • CWE-59 - Improper Link Resolution Before File Access
Assigner
References
Impacted products
Vendor Product Version CPE status
Spring Spring Boot Affected: 4.0.0 , < 4.0.6 (custom)
Affected: 3.5.0 , < 3.5.14 (custom)
Affected: 3.4.0 , < 3.4.16 (custom)
Affected: 3.3.0 , < 3.3.19 (custom)
Affected: 2.7.0 , < 2.7.33 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-40977",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-28T13:55:11.041412Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-28T14:34:36.220Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Spring Boot",
          "vendor": "Spring",
          "versions": [
            {
              "lessThan": "4.0.6",
              "status": "affected",
              "version": "4.0.0",
              "versionType": "custom"
            },
            {
              "lessThan": "3.5.14",
              "status": "affected",
              "version": "3.5.0",
              "versionType": "custom"
            },
            {
              "lessThan": "3.4.16",
              "status": "affected",
              "version": "3.4.0",
              "versionType": "custom"
            },
            {
              "lessThan": "3.3.19",
              "status": "affected",
              "version": "3.3.0",
              "versionType": "custom"
            },
            {
              "lessThan": "2.7.33",
              "status": "affected",
              "version": "2.7.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eWhen an application is configured to use \u003ccode\u003eApplicationPidFileWriter\u003c/code\u003e, a local attacker with write access to the PID file\u0027s location can corrupt one file on the host each time the application is started.\u003c/p\u003e\u003cp\u003eAffected: Spring Boot 4.0.0\u20134.0.5 (fix 4.0.6), 3.5.0\u20133.5.13 (fix 3.5.14), 3.4.0\u20133.4.15 (fix 3.4.16), 3.3.0\u20133.3.18 (fix 3.3.19), 2.7.0\u20132.7.32 (fix 2.7.33); PID file / symlink behavior (\u003ccode\u003eApplicationPidFileWriter\u003c/code\u003e). Versions that are no longer supported are also affected per vendor advisory.\u003c/p\u003e"
            }
          ],
          "value": "When an application is configured to use `ApplicationPidFileWriter`, a local attacker with write access to the PID file\u0027s location can corrupt one file on the host each time the application is started.\n\nAffected: Spring Boot 4.0.0\u20134.0.5 (fix 4.0.6), 3.5.0\u20133.5.13 (fix 3.5.14), 3.4.0\u20133.4.15 (fix 3.4.16), 3.3.0\u20133.3.18 (fix 3.3.19), 2.7.0\u20132.7.32 (fix 2.7.33); PID file / symlink behavior (`ApplicationPidFileWriter`). Versions that are no longer supported are also affected per vendor advisory."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "Per CVSS v3.1: Confidentiality NONE; Integrity LOW; Availability HIGH."
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59: Improper Link Resolution Before File Access",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-27T23:36:06.654Z",
        "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "shortName": "vmware"
      },
      "references": [
        {
          "url": "https://spring.io/security/cve-2026-40977"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
    "assignerShortName": "vmware",
    "cveId": "CVE-2026-40977",
    "datePublished": "2026-04-27T23:36:06.654Z",
    "dateReserved": "2026-04-16T02:19:04.616Z",
    "dateUpdated": "2026-04-28T14:34:36.220Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-40977",
      "date": "2026-09-23",
      "epss": "0.00112",
      "percentile": "0.0155"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Spring Boot",
                "vendor": "Spring",
                "versions": [
                  {
                    "lessThan": "4.0.6",
                    "status": "affected",
                    "version": "4.0.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "3.5.14",
                    "status": "affected",
                    "version": "3.5.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "3.4.16",
                    "status": "affected",
                    "version": "3.4.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "3.3.19",
                    "status": "affected",
                    "version": "3.3.0",
                    "versionType": "custom"
                  },
                  {
                    "lessThan": "2.7.33",
                    "status": "affected",
                    "version": "2.7.0",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "security@vmware.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5B1C9BD7-7555-4B3D-AED9-60C3C13DCF46",
                    "versionEndExcluding": "2.7.33",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "28EE6470-24FD-49D1-A2F0-7A19B290A161",
                    "versionEndExcluding": "3.3.19",
                    "versionStartIncluding": "3.3.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "758A9E8F-0C52-43D9-8D84-69622B345A4E",
                    "versionEndExcluding": "3.4.16",
                    "versionStartIncluding": "3.4.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D23096A1-8269-46C5-9215-9098E87D0A24",
                    "versionEndExcluding": "3.5.14",
                    "versionStartIncluding": "3.5.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "12A166C5-8B55-4BA3-AA8B-6024A257D441",
                    "versionEndExcluding": "4.0.6",
                    "versionStartIncluding": "4.0.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "When an application is configured to use `ApplicationPidFileWriter`, a local attacker with write access to the PID file\u0027s location can corrupt one file on the host each time the application is started.\n\nAffected: Spring Boot 4.0.0\u20134.0.5 (fix 4.0.6), 3.5.0\u20133.5.13 (fix 3.5.14), 3.4.0\u20133.4.15 (fix 3.4.16), 3.3.0\u20133.3.18 (fix 3.3.19), 2.7.0\u20132.7.32 (fix 2.7.33); PID file / symlink behavior (`ApplicationPidFileWriter`). Versions that are no longer supported are also affected per vendor advisory."
          },
          {
            "lang": "es",
            "value": "Cuando una aplicaci\u00f3n est\u00e1 configurada para usar \u0027ApplicationPidFileWriter\u0027, un atacante local con acceso de escritura a la ubicaci\u00f3n del archivo PID puede corromper un archivo en el host cada vez que se inicia la aplicaci\u00f3n.\n\nAfectado: Spring Boot 4.0.0-4.0.5 (soluci\u00f3n 4.0.6), 3.5.0-3.5.13 (soluci\u00f3n 3.5.14), 3.4.0-3.4.15 (soluci\u00f3n 3.4.16), 3.3.0-3.3.18 (soluci\u00f3n 3.3.19), 2.7.0-2.7.32 (soluci\u00f3n 2.7.33); comportamiento del archivo PID / enlace simb\u00f3lico (\u0027ApplicationPidFileWriter\u0027). Las versiones que ya no son compatibles tambi\u00e9n est\u00e1n afectadas seg\u00fan el aviso del proveedor."
          }
        ],
        "id": "CVE-2026-40977",
        "lastModified": "2026-07-24T21:10:00.143",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 4.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 0.5,
              "impactScore": 4.2,
              "source": "security@vmware.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 0.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-40977",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-28T13:55:11.041412Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-04-28T00:16:24.947",
        "references": [
          {
            "source": "security@vmware.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://spring.io/security/cve-2026-40977"
          }
        ],
        "sourceIdentifier": "security@vmware.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-59"
              }
            ],
            "source": "security@vmware.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-14T16:03:28+00:00",
      "cve": "CVE-2026-40977",
      "id": "CVE-2026-40977",
      "initial_release_date": "2026-04-27T23:36:06.654000+00:00",
      "product_status:fixed": "1",
      "product_status:known_affected": "21",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Spring Boot: Spring Boot: Local file corruption via PID file manipulation",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40977.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-40977",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-04-28T13:55:11.041412Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-04-28T13:55:15.321Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Spring Boot",
              "vendor": "Spring",
              "versions": [
                {
                  "lessThan": "4.0.6",
                  "status": "affected",
                  "version": "4.0.0",
                  "versionType": "custom"
                },
                {
                  "lessThan": "3.5.14",
                  "status": "affected",
                  "version": "3.5.0",
                  "versionType": "custom"
                },
                {
                  "lessThan": "3.4.16",
                  "status": "affected",
                  "version": "3.4.0",
                  "versionType": "custom"
                },
                {
                  "lessThan": "3.3.19",
                  "status": "affected",
                  "version": "3.3.0",
                  "versionType": "custom"
                },
                {
                  "lessThan": "2.7.33",
                  "status": "affected",
                  "version": "2.7.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cp\u003eWhen an application is configured to use \u003ccode\u003eApplicationPidFileWriter\u003c/code\u003e, a local attacker with write access to the PID file\u0027s location can corrupt one file on the host each time the application is started.\u003c/p\u003e\u003cp\u003eAffected: Spring Boot 4.0.0\u20134.0.5 (fix 4.0.6), 3.5.0\u20133.5.13 (fix 3.5.14), 3.4.0\u20133.4.15 (fix 3.4.16), 3.3.0\u20133.3.18 (fix 3.3.19), 2.7.0\u20132.7.32 (fix 2.7.33); PID file / symlink behavior (\u003ccode\u003eApplicationPidFileWriter\u003c/code\u003e). Versions that are no longer supported are also affected per vendor advisory.\u003c/p\u003e"
                }
              ],
              "value": "When an application is configured to use `ApplicationPidFileWriter`, a local attacker with write access to the PID file\u0027s location can corrupt one file on the host each time the application is started.\n\nAffected: Spring Boot 4.0.0\u20134.0.5 (fix 4.0.6), 3.5.0\u20133.5.13 (fix 3.5.14), 3.4.0\u20133.4.15 (fix 3.4.16), 3.3.0\u20133.3.18 (fix 3.3.19), 2.7.0\u20132.7.32 (fix 2.7.33); PID file / symlink behavior (`ApplicationPidFileWriter`). Versions that are no longer supported are also affected per vendor advisory."
            }
          ],
          "impacts": [
            {
              "descriptions": [
                {
                  "lang": "en",
                  "value": "Per CVSS v3.1: Confidentiality NONE; Integrity LOW; Availability HIGH."
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 4.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-59",
                  "description": "CWE-59: Improper Link Resolution Before File Access",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-27T23:36:06.654Z",
            "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
            "shortName": "vmware"
          },
          "references": [
            {
              "url": "https://spring.io/security/cve-2026-40977"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "x_generator": {
            "engine": "Vulnogram 1.0.1"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "assignerShortName": "vmware",
        "cveId": "CVE-2026-40977",
        "datePublished": "2026-04-27T23:36:06.654Z",
        "dateReserved": "2026-04-16T02:19:04.616Z",
        "dateUpdated": "2026-04-28T14:34:36.220Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.