CVE-2026-58040
Node.js and 2 others: Improper Validation of Certificate with Host Mismatch
CVE-2026-58040 is fixed in 34 products on 2 platforms, first by Node.js 26.5.1, released July 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.
RoutineFixed on 2 platforms
CVSS
6.3
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0028
20th percentile
An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname verification across identity policies (incomplete fix of CVE-2026-48934). This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Node.js | 26.5.1 | Node.js 26.5.1 | Jul 28, 2026 |
| Node.js (LTS) | 24.18.1 | Node.js (LTS) 24.18.1 | Jul 28, 2026 |
| Node.js 22 | 22.23.2 | Node.js 22 22.23.2 | Jul 28, 2026 |
| Linux | |||
| nodejs · Debian 12.15 (bookworm) | 18.20.4+dfsg-1~deb12u3 | DEBIAN-CVE-2026-58040 | Aug 15, 2026 |
| nodejs · Debian 14 | 24.19.0+dfsg+~cs24.13.3-1 | DEBIAN-CVE-2026-58040 | Aug 15, 2026 |
| nodejs · RHEL 8 | 1:24.19.0-1.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs · RHEL 9 | 1:24.19.0-1.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs · almalinux 10 | 1:22.23.2-1.el10_2 | ALSA-2026:61376 | Aug 31, 2026 |
| nodejs · almalinux 8 | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs · almalinux 9 | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs-devel · RHEL 8 | 1:24.19.0-1.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs-devel · RHEL 9 | 1:24.19.0-1.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs-devel · almalinux 10 | 1:22.23.2-1.el10_2 | ALSA-2026:61376 | Aug 31, 2026 |
| nodejs-devel · almalinux 8 | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs-devel · almalinux 9 | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs-docs · RHEL 8 | 1:24.19.0-1.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs-docs · RHEL 9 | 1:24.19.0-1.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs-docs · almalinux 10 | 1:22.23.2-1.el10_2 | ALSA-2026:61376 | Aug 31, 2026 |
| nodejs-docs · almalinux 8 | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs-docs · almalinux 9 | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs-full-i18n · RHEL 8 | 1:24.19.0-1.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs-full-i18n · RHEL 9 | 1:24.19.0-1.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs-full-i18n · almalinux 10 | 1:22.23.2-1.el10_2 | ALSA-2026:61376 | Aug 31, 2026 |
| nodejs-full-i18n · almalinux 8 | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs-full-i18n · almalinux 9 | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs-libs · RHEL 8 | 1:24.19.0-1.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs-libs · RHEL 9 | 1:24.19.0-1.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs-libs · almalinux 10 | 1:22.23.2-1.el10_2 | ALSA-2026:61376 | Aug 31, 2026 |
| nodejs-libs · almalinux 8 | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs-libs · almalinux 9 | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs-nodemon · RHEL 8 | 0:3.1.14-2.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs-nodemon · RHEL 9 | 0:3.1.14-3.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs-nodemon · almalinux 8 | 3.1.14-2.module_el8.10.0+4250+09238ed4 | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs-nodemon · almalinux 9 | 3.1.14-3.module_el9.8.0+292+f4eaf8b2 | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs-npm · almalinux 10 | 1:10.9.8-1.22.23.2.1.el10_2 | ALSA-2026:61376 | Aug 31, 2026 |
| nodejs-packaging · RHEL 8 | 0:2021.06-6.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs-packaging · RHEL 9 | 0:2021.06-6.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs-packaging · almalinux 8 | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs-packaging · almalinux 9 | 2021.06-6.module_el9.7.0+209+ecf6523e | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs-packaging-bundler · RHEL 8 | 0:2021.06-6.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| nodejs-packaging-bundler · RHEL 9 | 0:2021.06-6.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| nodejs-packaging-bundler · almalinux 8 | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:62583 | Sep 2, 2026 |
| nodejs-packaging-bundler · almalinux 9 | 2021.06-6.module_el9.7.0+209+ecf6523e | ALSA-2026:61386 | Aug 31, 2026 |
| nodejs20 · sles 15.6 | 20.20.2-150600.3.21.1 | SUSE-SU-2026:3929-1 | Sep 3, 2026 |
| nodejs22 · RHEL 10 | 22.23.2-1.el10_0 | RHSA-2026:64817 | Aug 17, 2026 |
| nodejs22 · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22 · opensuse-leap 16.0 | 22.23.2-160000.1.1 | OPENSUSE-SU-2026:21545-1 | Aug 10, 2026 |
| nodejs22 · sles 15.6 | 22.23.2-150600.13.24.1 | SUSE-SU-2026:3521-1 | Aug 6, 2026 |
| nodejs22 · sles 15.7 | 22.23.2-150700.3.18.1 | SUSE-SU-2026:3557-1 | Aug 10, 2026 |
| nodejs22 · sles 16.0 | 22.23.2-160000.1.1 | SUSE-SU-2026:23154-1 | Aug 10, 2026 |
| nodejs22-debuginfo · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22-debugsource · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22-devel · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22-docs · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22-full-i18n · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22-libs · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22-libs-debuginfo · amzn 2023 | 1:22.23.2-1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs22-npm · amzn 2023 | 1:10.9.8-1.22.23.2.1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| nodejs24 · RHEL 10 | 24.19.0-1.el10_2 | RHSA-2026:61377 | Sep 2, 2026 |
| nodejs24 · almalinux 10 | 1:24.19.0-1.el10_2 | ALSA-2026:61377 | Aug 31, 2026 |
| nodejs24 · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24 · opensuse-leap 16.0 | 24.18.1-160000.1.1 | OPENSUSE-SU-2026:21546-1 | Aug 10, 2026 |
| nodejs24 · sles 15.7 | 24.18.1-150700.15.16.1 | SUSE-SU-2026:3520-1 | Aug 6, 2026 |
| nodejs24 · sles 16.0 | 24.18.1-160000.1.1 | SUSE-SU-2026:23155-1 | Aug 10, 2026 |
| nodejs24-debuginfo · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24-debugsource · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24-devel · almalinux 10 | 1:24.19.0-1.el10_2 | ALSA-2026:61377 | Aug 31, 2026 |
| nodejs24-devel · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24-docs · almalinux 10 | 1:24.19.0-1.el10_2 | ALSA-2026:61377 | Aug 31, 2026 |
| nodejs24-docs · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24-full-i18n · almalinux 10 | 1:24.19.0-1.el10_2 | ALSA-2026:61377 | Aug 31, 2026 |
| nodejs24-full-i18n · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24-libs · almalinux 10 | 1:24.19.0-1.el10_2 | ALSA-2026:61377 | Aug 31, 2026 |
| nodejs24-libs · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24-libs-debuginfo · amzn 2023 | 1:24.18.1-1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| nodejs24-npm · almalinux 10 | 1:11.17.0-1.24.19.0.1.el10_2 | ALSA-2026:61377 | Aug 31, 2026 |
| nodejs24-npm · amzn 2023 | 1:11.16.0-1.24.18.1.1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
| npm · RHEL 8 | 1:11.17.0-1.24.19.0.1.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| npm · RHEL 9 | 1:11.17.0-1.24.19.0.1.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| npm · almalinux 8 | 1:11.17.0-1.24.19.0.1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 | Sep 2, 2026 |
| npm · almalinux 9 | 1:11.17.0-1.24.19.0.1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 | Aug 31, 2026 |
| v8-12.4-devel · RHEL 8 | 3:12.4.254.21-1.22.23.2.1.module+el8.10.0+24710+c2e9b41f | RHSA-2026:62219 | Sep 13, 2026 |
| v8-12.4-devel · RHEL 9 | 3:12.4.254.21-1.22.23.2.1.module+el9.8.0+24709+804d6b5b | RHSA-2026:61383 | Sep 13, 2026 |
| v8-12.4-devel · almalinux 8 | 3:12.4.254.21-1.22.23.2.1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 | Sep 1, 2026 |
| v8-12.4-devel · almalinux 9 | 3:12.4.254.21-1.22.23.2.1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 | Aug 31, 2026 |
| v8-12.4-devel · amzn 2023 | 3:12.4.254.21-1.22.23.2.1.amzn2023.0.2 | ALAS2023-2026-2060 | Aug 17, 2026 |
| v8-13.6-devel · RHEL 8 | 3:13.6.233.17-1.24.19.0.1.module+el8.10.0+24711+b610b202 | RHSA-2026:62583 | Sep 13, 2026 |
| v8-13.6-devel · RHEL 9 | 3:13.6.233.17-1.24.19.0.1.module+el9.8.0+24708+e71d2e1d | RHSA-2026:61386 | Sep 13, 2026 |
| v8-13.6-devel · almalinux 8 | 3:13.6.233.17-1.24.19.0.1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 | Sep 2, 2026 |
| v8-13.6-devel · almalinux 9 | 3:13.6.233.17-1.24.19.0.1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 | Aug 31, 2026 |
| v8-13.6-devel · amzn 2023 | 3:13.6.233.17-1.24.18.1.1.amzn2023.0.2 | ALAS2023-2026-2059 | Aug 17, 2026 |
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