CVE-2026-3784
wrong proxy connection reuse with credentials
CVE-2026-3784 is fixed in 13 products on 2 platforms, first by curl 7.58.0-2ubuntu3.24+esm8, released March 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.
RoutineFixed on 2 platforms
CVSS
6.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0045
39th percentile
This is a vulnerability in open source code and Apple Software is among the affected projects. The
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| macOS | |||
| Sequoia | 15.7.8 | Sequoia 15.7.8 | Jul 27, 2026 |
| Sonoma | 14.8.8 | Sonoma 14.8.8 | Jul 27, 2026 |
| Tahoe | 26.6 | Tahoe 26.6 | Jul 27, 2026 |
| Linux | |||
| curl · Debian 12.15 (bookworm) | 7.88.1-10+deb12u15 | DEBIAN-CVE-2026-3784 | Mar 11, 2026 |
| curl · Debian 13.5 (trixie) | 8.14.1-2+deb13u4 | DEBIAN-CVE-2026-3784 | Mar 11, 2026 |
| curl · Debian 14 | 8.19.0-1 | DEBIAN-CVE-2026-3784 | Mar 11, 2026 |
| curl · RHEL 10 | 8.12.1-1.el10_0.10 | RHSA-2026:72506 | Jul 3, 2026 |
| curl · Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.24+esm8 | curl 7.58.0-2ubuntu3.24+esm8 | Mar 11, 2026 |
| curl · Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.25+esm3 | curl 7.68.0-1ubuntu2.25+esm3 | Mar 11, 2026 |
| curl · Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.23 | curl 7.81.0-1ubuntu1.23 | Mar 11, 2026 |
| curl · Ubuntu 24.04.5 LTS (noble) | 8.5.0-2ubuntu10.8 | curl 8.5.0-2ubuntu10.8 | Mar 11, 2026 |
| curl · Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.2 | curl 8.14.1-2ubuntu1.2 | Mar 11, 2026 |
| curl · Ubuntu 26.04.1 LTS (resolute) | 8.18.0-1ubuntu2 | curl 8.18.0-1ubuntu2 | Mar 11, 2026 |
| curl · ol 10 | 0:8.12.1-4.el10_2.4 | ELSA-2026-55450 | Aug 17, 2026 |
| curl · opensuse-leap 15.6 | 8.14.1-150600.4.40.1 | SUSE-SU-2026:0885-1 | Mar 12, 2026 |
| curl · opensuse-leap 16.0 | 8.14.1-160000.5.1 | OPENSUSE-SU-2026:20404-1 | Mar 20, 2026 |
| curl · sles 15.6 | 8.14.1-150600.4.40.1 | SUSE-SU-2026:0885-1 | Mar 12, 2026 |
| curl · sles 15.7 | 8.14.1-150700.7.14.1 | SUSE-SU-2026:0903-1 | Mar 17, 2026 |
| curl · sles 16.0 | 8.14.1-160000.5.1 | SUSE-SU-2026:20918-1 | Mar 20, 2026 |
| curl-mini · sles 16.0 | 8.14.1-160000.5.1 | SUSE-SU-2026:20918-1 | Mar 20, 2026 |
| libcurl · ol 10 | 0:8.12.1-4.el10_2.4 | ELSA-2026-55450 | Aug 17, 2026 |
| libcurl-devel · ol 10 | 0:8.12.1-4.el10_2.4 | ELSA-2026-55450 | Aug 17, 2026 |
| libcurl-minimal · ol 10 | 0:8.12.1-4.el10_2.4 | ELSA-2026-55450 | Aug 17, 2026 |
| libcurl3-gnutls · Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.24+esm8 | libcurl3-gnutls 7.58.0-2ubuntu3.24+esm8 | Mar 11, 2026 |
| libcurl3-gnutls · Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.25+esm3 | libcurl3-gnutls 7.68.0-1ubuntu2.25+esm3 | Mar 11, 2026 |
| libcurl3-gnutls · Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.23 | libcurl3-gnutls 7.81.0-1ubuntu1.23 | Mar 11, 2026 |
| libcurl3-nss · Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.24+esm8 | libcurl3-nss 7.58.0-2ubuntu3.24+esm8 | Mar 11, 2026 |
| libcurl3-nss · Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.25+esm3 | libcurl3-nss 7.68.0-1ubuntu2.25+esm3 | Mar 11, 2026 |
| libcurl3-nss · Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.23 | libcurl3-nss 7.81.0-1ubuntu1.23 | Mar 11, 2026 |
| libcurl3t64-gnutls · Ubuntu 24.04.5 LTS (noble) | 8.5.0-2ubuntu10.8 | libcurl3t64-gnutls 8.5.0-2ubuntu10.8 | Mar 11, 2026 |
| libcurl3t64-gnutls · Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.2 | libcurl3t64-gnutls 8.14.1-2ubuntu1.2 | Mar 11, 2026 |
| libcurl3t64-gnutls · Ubuntu 26.04.1 LTS (resolute) | 8.18.0-1ubuntu2 | libcurl3t64-gnutls 8.18.0-1ubuntu2 | Mar 11, 2026 |
| libcurl4 · Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.24+esm8 | libcurl4 7.58.0-2ubuntu3.24+esm8 | Mar 11, 2026 |
| libcurl4 · Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.25+esm3 | libcurl4 7.68.0-1ubuntu2.25+esm3 | Mar 11, 2026 |
| libcurl4 · Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.23 | libcurl4 7.81.0-1ubuntu1.23 | Mar 11, 2026 |
| libcurl4t64 · Ubuntu 24.04.5 LTS (noble) | 8.5.0-2ubuntu10.8 | libcurl4t64 8.5.0-2ubuntu10.8 | Mar 11, 2026 |
| libcurl4t64 · Ubuntu 25.10 (questing) | 8.14.1-2ubuntu1.2 | libcurl4t64 8.14.1-2ubuntu1.2 | Mar 11, 2026 |
| libcurl4t64 · Ubuntu 26.04.1 LTS (resolute) | 8.18.0-1ubuntu2 | libcurl4t64 8.18.0-1ubuntu2 | Mar 11, 2026 |
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