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    1 vulnerability by zizmorcore

    CVE-2026-102289 (GCVE-0-2026-102289)

    Vulnerability from cvelistv5 – Published: 2026-11-09 21:37 – Updated: 2026-11-09 21:37
    VLAI
    Title
    zizmor: Debug logging prints available GitHub credentials in cleartext
    Summary
    zizmor is a static analysis tool for CI/CD systems. In version 1.27.0, debug logging serializes the parsed application configuration with a derived Debug implementation for GitHubToken, causing credentials supplied through GH_TOKEN, GITHUB_TOKEN, ZIZMOR_GITHUB_TOKEN, --gh-token, --github-token, or --zizmor-github-token to be written to stderr in cleartext. A single -v or --verbose option or an applicable RUST_LOG directive enables the affected logging during normal online operation and --no-online-audits, while explicit --offline clears the token first. If another party can read a CI log, support artifact, terminal capture, or public bug report containing the output, the party can use the credential according to its scopes, repository access, and lifetime. This vulnerability is fixed in 1.28.0.
    CWE
    • CWE-532 - Insertion of Sensitive Information into Log File
    Assigner
    GitHub_M CNA
    Impacted products
    Vendor Product Version
    zizmorcore zizmor Affected: = 1.27.0
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "cna": {
          "affected": [
            {
              "product": "zizmor",
              "vendor": "zizmorcore",
              "versions": [
                {
                  "status": "affected",
                  "version": "= 1.27.0"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "zizmor is a static analysis tool for CI/CD systems. In version 1.27.0, debug logging serializes the parsed application configuration with a derived Debug implementation for GitHubToken, causing credentials supplied through GH_TOKEN, GITHUB_TOKEN, ZIZMOR_GITHUB_TOKEN, --gh-token, --github-token, or --zizmor-github-token to be written to stderr in cleartext. A single -v or --verbose option or an applicable RUST_LOG directive enables the affected logging during normal online operation and --no-online-audits, while explicit --offline clears the token first. If another party can read a CI log, support artifact, terminal capture, or public bug report containing the output, the party can use the credential according to its scopes, repository access, and lifetime. This vulnerability is fixed in 1.28.0."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "attackComplexity": "LOW",
                "attackRequirements": "PRESENT",
                "attackVector": "LOCAL",
                "baseScore": 7,
                "baseSeverity": "HIGH",
                "privilegesRequired": "NONE",
                "subAvailabilityImpact": "HIGH",
                "subConfidentialityImpact": "HIGH",
                "subIntegrityImpact": "HIGH",
                "userInteraction": "ACTIVE",
                "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H",
                "version": "4.0",
                "vulnAvailabilityImpact": "NONE",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "NONE"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-532",
                  "description": "CWE-532: Insertion of Sensitive Information into Log File",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-11-09T21:37:32.457Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/zizmorcore/zizmor/security/advisories/GHSA-f42p-wjw5-97qh",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/zizmorcore/zizmor/security/advisories/GHSA-f42p-wjw5-97qh"
            },
            {
              "name": "https://github.com/zizmorcore/zizmor/pull/2213",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/zizmorcore/zizmor/pull/2213"
            },
            {
              "name": "https://github.com/zizmorcore/zizmor/pull/2215",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/zizmorcore/zizmor/pull/2215"
            },
            {
              "name": "https://github.com/zizmorcore/zizmor/commit/0731e01706af273be860d3d221e4d122e6741b6f",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/zizmorcore/zizmor/commit/0731e01706af273be860d3d221e4d122e6741b6f"
            },
            {
              "name": "https://github.com/zizmorcore/zizmor/commit/724d0e86f4c073c3dc64507fb6c39bc20e46a48f",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/zizmorcore/zizmor/commit/724d0e86f4c073c3dc64507fb6c39bc20e46a48f"
            },
            {
              "name": "https://github.com/zizmorcore/zizmor/releases/tag/v1.28.0",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/zizmorcore/zizmor/releases/tag/v1.28.0"
            }
          ],
          "source": {
            "advisory": "GHSA-f42p-wjw5-97qh",
            "discovery": "UNKNOWN"
          },
          "title": "zizmor: Debug logging prints available GitHub credentials in cleartext"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2026-102289",
        "datePublished": "2026-11-09T21:37:32.457Z",
        "dateReserved": "2026-09-28T20:11:16.659Z",
        "dateUpdated": "2026-11-09T21:37:32.457Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }