CVE•Published 2026-08-03•Modified 2026-08-31•1 article on news•4 live references•NVD data
CVE-2026-59650Bouncycastle · Bc-java
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
20
Exploit Prediction Scoring System · top 80% of all CVEs
Weaknesses (CWE)
Description
In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
Timeline
Published 2026-08-03
Modified 2026-08-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-59650Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Bouncycastle Bc-java"All exposed Bouncycastle Bc-java instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Bc-java"HTTP body or banner mentions "Bc-java" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-59650Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-59650Censys host search filtered to this CVE id.
grep.app
CVE-2026-59650Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-59650GitHub code search for direct mentions.
Google dork
"CVE-2026-59650" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.