OCSP stapling bypass with Apple SecTrust

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-7009
StatePUBLISHED
Assignercurl
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-13 13:01:57 UTC
Updated2026-05-14 14:17:05 UTC
DescriptionWhen curl is told to use the Certificate Status Request TLS extension, often referred to as *OCSP stapling*, to verify that the server certificate is valid, it fails to detect OCSP problems and instead wrongly consider the response as fine.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.000130000 probability, percentile 0.020010000 (date 2026-05-25)

Problem Types: CWE-295 | CWE-295 Improper Certificate Validation

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1ADPDECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Haxx Curl All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Curl Curl affected 8.19.0 8.19.0 semver Not specified
CNA Curl Curl affected 8.18.0 8.18.0 semver Not specified
CNA Curl Curl affected 8.17.0 8.17.0 semver Not specified

References

ReferenceSourceLinkTags
curl.se/docs/CVE-2026-7009.json 2499f714-1537-4658-8207-48ae4bb9eae9 curl.se Product
hackerone.com/reports/3694390 134c704f-9b21-4f2e-91b3-4a467353bcc0 hackerone.com Exploit, Issue Tracking, Patch
curl.se/docs/CVE-2026-7009.html 2499f714-1537-4658-8207-48ae4bb9eae9 curl.se Patch, Vendor Advisory
www.openwall.com/lists/oss-security/2026/04/29/12 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Carlos Carrillo (en)

CNA: Stefan Eissing (en)

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