# Curl Libcurl vulnerabilities

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

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Curl Libcurl: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-92389, was published on 20 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

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

## Latest Curl Libcurl vulnerabilities

- [CVE-2026-92389: libcurl TFTP direction confusion](https://junglewise.ai/threats/cve-2026-92389-libcurl-s-tftp-state-machine-fails-to-validate-state-transitions) (info, published 20 Oct 2026)
- [CVE-2026-92388: curl FTP wildcard write callback mixup](https://junglewise.ai/threats/cve-2026-92388-when-an-ftp-wildcard-list-operation-fails-libcurl-omits-the) (info, published 20 Oct 2026)
- [CVE-2026-86415: curl auto client cert connection reuse mixup](https://junglewise.ai/threats/cve-2026-86415-libcurl-s-connection-cache-match-function-never-considers-the) (info, published 20 Oct 2026)

## Most severe Curl Libcurl vulnerabilities

- [CVE-2026-92389: libcurl TFTP direction confusion](https://junglewise.ai/threats/cve-2026-92389-libcurl-s-tftp-state-machine-fails-to-validate-state-transitions) (info, published 20 Oct 2026)
- [CVE-2026-92388: curl FTP wildcard write callback mixup](https://junglewise.ai/threats/cve-2026-92388-when-an-ftp-wildcard-list-operation-fails-libcurl-omits-the) (info, published 20 Oct 2026)
- [CVE-2026-86415: curl auto client cert connection reuse mixup](https://junglewise.ai/threats/cve-2026-86415-libcurl-s-connection-cache-match-function-never-considers-the) (info, published 20 Oct 2026)

## Vulnerabilities per week

3 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 | 3 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Curl technologies

- [Curl](https://junglewise.ai/threats/technologies/curl-curl): 21 vulnerabilities

## 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, "Curl Libcurl vulnerabilities", https://junglewise.ai/threats/technologies/curl-libcurl, 9 November 2026.