In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Legion of the Bouncy Castle Inc. BC-JAVA unaffected
Version Status Constraints
1.66 affected < 1.85
Legion of the Bouncy Castle Inc. BC-LTS-JAVA unaffected
Version Status Constraints
2.73.0 affected < 2.73.12
Legion of the Bouncy Castle Inc. BC-FJA unaffected
Version Status Constraints
2.0.0 affected < 2.0.2
2.1.0 affected < 2.1.3

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/bcgit/bc-java/commit/add5f822660f3b2c29fd824e2f4095469c42a1c7 cve-icon
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9058062 cve-icon
History

Mon, 03 Aug 2026 06:45:00 +0000

Type Values Removed Values Added
References

Mon, 03 Aug 2026 02:45:00 +0000

Type Values Removed Values Added
Description In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
Title Stapled OCSP response accepted without binding to the checked certificate
Weaknesses CWE-295
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: bcorg

Published:

Updated: 2026-08-03T05:48:56.603Z

Reserved: 2026-06-28T01:21:46.334Z

Link: CVE-2026-58062

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-03T09:00:15Z

Weaknesses