CVE-2026-8149

MEDIUMNVD 5.15.1—

5.1

A vulnerability in Legion of the Bouncy Castle Inc. BC-LTS on Linux, X86_64, AVX, AVX-512f.

This vulnerability is associated with program files gcm128w, gcm512w.

This issue affects BC-LTS: from 2.73.0 before 2.73.11.

CVSS v3: 5.1
EG Score: 5.1(medium)
EPSS: 0.4%
KEV: Not listed

Published

May 8, 2026

Last Modified

May 19, 2026

References (1)

91579145-5d7b-4cc5-b925-a0262ff19630https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%908149

Vendor Advisories for CVE-2026-8149(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-mx76-r943-rf8g
GitHub Security AdvisoriesMedium
Bouncy Castle has a vulnerability in program files gcm128w, gcm512w

Frequently asked(5)

What is CVE-2026-8149?

CVE-2026-8149 is a medium vulnerability published on May 8, 2026. A vulnerability in Legion of the Bouncy Castle Inc. BC-LTS on Linux, X86_64, AVX, AVX-512f. This vulnerability is associated with program files gcm128w, gcm512w. This issue affects BC-LTS: from 2.73.0 before 2.73.11.

When was CVE-2026-8149 disclosed?

CVE-2026-8149 was first published in the National Vulnerability Database on May 8, 2026, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-8149 actively exploited?

CVE-2026-8149 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-8149?

CVE-2026-8149 has a CVSS v3 base score of 5.1 (NVD).

How do I remediate CVE-2026-8149?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8149, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-8149

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-8149(1)

❓ Frequently asked(5)