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CVE-2026-48758 sigstore-js: DSSE payloadType type-binding failure

🗓️ 14 Jul 2026 20:36:28Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutate...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-48758 vulnerabilities
1 Jul 202602:17
cgr
CVE
CVE-2026-48758
14 Jul 202620:36
cve
Github Security Blog
@sigstore/core has DSSE payloadType type-binding failure
26 Jun 202619:11
github
NVD
CVE-2026-48758
14 Jul 202621:17
nvd
OSV
CGA-9W9G-H55C-C35V
30 Jun 202622:00
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OSV
GHSA-JFC7-64V2-MR8C @sigstore/core has DSSE payloadType type-binding failure
26 Jun 202619:11
osv
OSV
MINI-2WHV-4PG9-MW2P
1 Jul 202623:43
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MINI-4JXJ-935J-329C
13 Jul 202601:41
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MINI-5P8X-5H8X-GHGH
27 Jun 202613:20
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OSV
MINI-5WP8-C9F4-958H
27 Jun 202613:20
osv
Rows per page
[
  {
    "vendor": "sigstore",
    "product": "sigstore-js",
    "versions": [
      {
        "version": "< 3.2.1",
        "status": "affected"
      }
    ]
  }
]

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14 Jul 2026 20:36Current
CVSS 3.15.4
6