# Bitcoin Core vulnerabilities

Source: https://junglewise.ai/threats/technologies/bitcoin-core  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/bitcoin-core.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Bitcoin Core: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-117349, was published on 30 October 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 2
- All time: 3 (0 critical, 0 exploited in the wild)

## About Bitcoin Core

Bitcoin Core is the reference implementation of the Bitcoin protocol, providing a full node and wallet functionality.

## Latest Bitcoin Core vulnerabilities

- [CVE-2026-117349: Bitcoin Core unbounded memory growth on paused pre-BIP31 peers](https://junglewise.ai/threats/cve-2026-117349-bitcoin-core-prior-to-29-5-30-4-31-2-and-32-1-is-vulnerable-to) (info, published 30 Oct 2026)
- [CVE-2026-117346: Bitcoin Core denial of service via unbounded undo files](https://junglewise.ai/threats/cve-2026-117346-bitcoin-core-through-31-1-is-vulnerable-to-denial-of-service-via) (info, published 30 Oct 2026)
- [CVE-2024-52911: Bitcoin Core remote crash in script interpreter](https://junglewise.ai/threats/cve-2024-52911-bitcoin-core-remote-crash-in-script-interpreter) (high, CVSS 7.5, published 5 May 2026)

## Most severe Bitcoin Core vulnerabilities

- [CVE-2024-52911: Bitcoin Core remote crash in script interpreter](https://junglewise.ai/threats/cve-2024-52911-bitcoin-core-remote-crash-in-script-interpreter) (high, CVSS 7.5, published 5 May 2026)
- [CVE-2026-117349: Bitcoin Core unbounded memory growth on paused pre-BIP31 peers](https://junglewise.ai/threats/cve-2026-117349-bitcoin-core-prior-to-29-5-30-4-31-2-and-32-1-is-vulnerable-to) (info, published 30 Oct 2026)
- [CVE-2026-117346: Bitcoin Core denial of service via unbounded undo files](https://junglewise.ai/threats/cve-2026-117346-bitcoin-core-through-31-1-is-vulnerable-to-denial-of-service-via) (info, published 30 Oct 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 2 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Bitcoin Core vulnerabilities", https://junglewise.ai/threats/technologies/bitcoin-core, 9 November 2026.