GHSA-P768-C3PR-6459

Vulnerability from github – Published: 2025-09-15 15:31 – Updated: 2025-09-15 21:51
VLAI?
Summary
Temporal OSS Server Vulnerable to Allocation of Resources Without Limits or Throttling
Details

Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory allocation. This issue affects all platforms and versions of OSS Server prior to 1.26.3, 1.27.3, and 1.28.1 (i.e., fixed in 1.26.3, 1.27.3, and 1.28.1 and later). Temporal Cloud services are not impacted.

Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.temporal.io/server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.temporal.io/server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.27.0-126.0"
            },
            {
              "fixed": "1.27.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.temporal.io/server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.28.0-129.0"
            },
            {
              "fixed": "1.28.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-8396"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-15T21:51:27Z",
    "nvd_published_at": "2025-09-15T15:15:55Z",
    "severity": "MODERATE"
  },
  "details": "Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory allocation. This issue affects all platforms and versions of OSS Server prior to 1.26.3, 1.27.3, and 1.28.1 (i.e., fixed in 1.26.3, 1.27.3, and 1.28.1 and later). Temporal Cloud services are not impacted.",
  "id": "GHSA-p768-c3pr-6459",
  "modified": "2025-09-15T21:51:27Z",
  "published": "2025-09-15T15:31:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-8396"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/temporalio/temporal"
    },
    {
      "type": "WEB",
      "url": "https://github.com/temporalio/temporal/releases/tag/v1.26.3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/temporalio/temporal/releases/tag/v1.27.3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/temporalio/temporal/releases/tag/v1.28.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Temporal OSS Server Vulnerable to Allocation of Resources Without Limits or Throttling"
}


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