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CVE-2026-49835

🗓️ 17 Jul 2026 18:16:41Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 28 Views🌐 WEB

CVE-2026-49835: Sigstore Timestamp Authority memory exhaustion via unbounded metric labels from random paths or methods; fixed in 2.1.0.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-49835
17 Jul 202618:16
attackerkb
Chainguard
CVE-2026-49835 vulnerabilities
1 Jul 202614:16
cgr
Circl
CVE-2026-49835
17 Jul 202619:55
circl
Cvelist
CVE-2026-49835 Sigstore Timestamp Authority: OOM due to unbounded metric label cardinality
17 Jul 202618:16
cvelist
EUVD
EUVD-2026-45245
17 Jul 202618:16
euvd
Github Security Blog
Sigstore Timestamp Authority has OOM due to unbounded metric label cardinality
30 Jun 202618:40
github
NVD
CVE-2026-49835
17 Jul 202619:17
nvd
OSV
CGA-XV2X-9FM8-P3F6
1 Jul 202610:55
osv
OSV
CVE-2026-49835 Sigstore Timestamp Authority: OOM due to unbounded metric label cardinality
17 Jul 202618:16
osv
OSV
DEBIAN-CVE-2026-49835
17 Jul 202619:17
osv
Rows per page
Vulners
[
  {
    "vendor": "sigstore",
    "product": "timestamp-authority",
    "versions": [
      {
        "version": "< 2.1.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
uuidpath/api/v1/timestamp/<uuid>Unauthenticated attacker can probe arbitrary paths (e.g., /api/v1/timestamp/<uuid>) to create unbounded time-series entries and exhaust memory via Prometheus metrics labeling.CWE-770

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17 Jul 2026 20:17Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.9
EPSS0.00652
SSVC
28