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2 vulnerabilities by actualbudget

CVE-2026-27638 (GCVE-0-2026-27638)

Vulnerability from cvelistv5 – Published: 2026-02-26 22:14 – Updated: 2026-02-26 22:14
VLAI?
Title
ActualBudget missing authorization in sync endpoints allows cross-user budget file access in multi-user mode
Summary
Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoints (`/sync/*`) don't verify that the authenticated user owns or has access to the file being operated on. Any authenticated user can read, modify, and overwrite any other user's budget files by providing their file ID. Version 26.2.1 patches the issue.
Severity ?
5.7 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
CWE
Assigner
References
Impacted products
Vendor Product Version
actualbudget actual Affected: < 26.2.1
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "actual",
          "vendor": "actualbudget",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 26.2.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoints (`/sync/*`) don\u0027t verify that the authenticated user owns or has access to the file being operated on. Any authenticated user can read, modify, and overwrite any other user\u0027s budget files by providing their file ID. Version 26.2.1 patches the issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-26T22:14:21.481Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/actualbudget/actual/security/advisories/GHSA-qmjj-p7m9-wjrv",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/actualbudget/actual/security/advisories/GHSA-qmjj-p7m9-wjrv"
        },
        {
          "name": "https://github.com/actualbudget/actual/commit/9966c024cb75f57943193cac8e42f401efed9d08",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/actualbudget/actual/commit/9966c024cb75f57943193cac8e42f401efed9d08"
        },
        {
          "name": "https://github.com/actualbudget/actual/releases/tag/v26.2.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/actualbudget/actual/releases/tag/v26.2.1"
        }
      ],
      "source": {
        "advisory": "GHSA-qmjj-p7m9-wjrv",
        "discovery": "UNKNOWN"
      },
      "title": "ActualBudget missing authorization in sync endpoints allows cross-user budget file access in multi-user mode"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-27638",
    "datePublished": "2026-02-26T22:14:21.481Z",
    "dateReserved": "2026-02-20T22:02:30.029Z",
    "dateUpdated": "2026-02-26T22:14:21.481Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-27584 (GCVE-0-2026-27584)

Vulnerability from cvelistv5 – Published: 2026-02-24 14:59 – Updated: 2026-02-24 14:59
VLAI?
Title
ActualBudget server is Missing Authentication for SimpleFIN and Pluggy AI bank sync endpoints
Summary
Actual is a local-first personal finance tool. Prior to version 26.2.1, missing authentication middleware in the ActualBudget server component allows any unauthenticated user to query the SimpleFIN and Pluggy.ai integration endpoints and read sensitive bank account balance and transaction information. This vulnerability allows an unauthenticated attacker to read the bank account balance and transaction history of ActualBudget users. This vulnerability impacts all ActualBudget Server users with the SimpleFIN or Pluggy.ai integrations configured. The ActualBudget Server instance must be reachable over the network. Version 26.2.1 patches the issue.
Severity ?
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
actualbudget actual Affected: < 26.2.1
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "actual",
          "vendor": "actualbudget",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 26.2.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Actual is a local-first personal finance tool. Prior to version 26.2.1, missing authentication middleware in the ActualBudget server component allows any unauthenticated user to query the SimpleFIN and Pluggy.ai integration endpoints and read sensitive bank account balance and transaction information. This vulnerability allows an unauthenticated attacker to read the bank account balance and transaction history of ActualBudget users. This vulnerability impacts all ActualBudget Server users with the SimpleFIN or Pluggy.ai integrations configured. The ActualBudget Server instance must be reachable over the network. Version 26.2.1 patches the issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306: Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-24T14:59:21.175Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/actualbudget/actual/security/advisories/GHSA-m2cq-xjgm-f668",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/actualbudget/actual/security/advisories/GHSA-m2cq-xjgm-f668"
        },
        {
          "name": "https://github.com/actualbudget/actual/commit/ea937d100956ca56689ff852d99c28589e2a7d88",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/actualbudget/actual/commit/ea937d100956ca56689ff852d99c28589e2a7d88"
        }
      ],
      "source": {
        "advisory": "GHSA-m2cq-xjgm-f668",
        "discovery": "UNKNOWN"
      },
      "title": "ActualBudget server is Missing Authentication for SimpleFIN and Pluggy AI bank sync endpoints"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-27584",
    "datePublished": "2026-02-24T14:59:21.175Z",
    "dateReserved": "2026-02-20T17:40:28.450Z",
    "dateUpdated": "2026-02-24T14:59:21.175Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}