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CVE-2026-54673

electron-updater allows for automatic updates for Electron apps. Prior to 9.7.0, the HTTP redirect handler (HttpExecutor.prepareRedirectUrlOptions) only stripped a credential header whose key string matched exactly lowercase "authorization", exposing credentials. Other credential-bearing headers — most notably PRIVATE-TOKEN (used by GitLab's personal access token flow) and mixed-case Authorization (used by GitLab's Bearer/OAuth flow) — were not stripped and could be forwarded to an attacker-cont
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d3745d9bb1fd0b668f136d5a4be32f17d266f6c6e479aa6888b8d302dfe6edf1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"builder-util-runtime","vendor":"electron-userland","versions":[{"status":"affected","version":"< 9.7.0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/affected/1

{"product":"electron-builder","vendor":"electron-userland","versions":[{"status":"affected","version":"< 26.15.0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"builder-util-runtime","vendor":"electron-userland","versions":[{"status":"affected","version":"< 9.7.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/affected/1
{"product":"electron-builder","vendor":"electron-userland","versions":[{"status":"affected","version":"< 26.15.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/electron-userland/electron-builder/commit/22a7532bd01b9fb42cff7c58d599c7ad683569fe","tags":["x_refsource_MISC"],"url":"https://github.com/electron-userland/electron-builder/commit/22a7532bd01b9fb42cff7c58d599c7ad683569fe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/electron-userland/electron-builder/security/advisories/GHSA-p2f4-r6v6-j797"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/adp/0/references/0
{"name":"https://github.com/electron-userland/electron-builder/security/advisories/GHSA-p2f4-r6v6-j797","tags":["x_refsource_CONFIRM"],"url":"https://github.com/electron-userland/electron-builder/security/advisories/GHSA-p2f4-r6v6-j797"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6139a051df27e46fb22df13051895b2e45598f8ac50de184a31dca6bc43d9fd2 · sha256:3bbb12934262ae8b… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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