CVE-2026-15997
A local attacker can exploit a vulnerability in Bouncy Castle to carry out an unspecified attack.
CSIRTS triage
- What
- A vulnerability allows a local attacker to carry out an unspecified attack.
- Who is affected
- Local deployments of Bouncy Castle.
- Urgency
- Remediation is medium due to the unspecified nature of the attack and medium severity.
- Action
- Monitor for updates from Bouncy Castle regarding this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] Bouncy Castle: Vulnerability allows unspecified attackcert-bund · 2026-07-17
- unknownCVE-2026-15997: Out-of-bounds write vulnerability in Legion of the Bouncy Castle Inc. BC-LTS bcprov-lts8on on …nvd · 2026-07-16
External references
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[](https://www.csirts.com/cve/CVE-2026-15997)