VulnSocial

CVE-2026-59644General(bouncycastle / bc-java)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.

bouncycastle CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Patch / fix
Vendor / third-party advisories
Weakness type (CWE)
CWE-834

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • bc-java

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
bouncycastle
Products
bc-java

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-03: 1Technical Details · 2026-08-03: 108-03
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-59644 MLS Hash-Ratchet Arbitrary Generation Counter Acceptance in Bouncy Castle for Java Before 1.85 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-59644

    Post summary

    The post identifies CVE-2026-59644 as a counter acceptance flaw in older Bouncy Castle Java releases, providing technical details but no PoC, exploit, or patch information.

    00000105
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appbouncycastlebc-java---

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