CVE-2026-106072
A flaw in Node.js TLS hostname verification allows a certificate with only a DNS SAN to authenticate an IP endpoint when the client connects using a non-canonical IPv4 spelling, such as `0177.0.0.1`, `0x7f.0.0.1`, `2130706433` or `127.1`. `tls.checkServerIdentity()` did not classify these hosts as IP addresses, but normalized them to their canonical form and matched the result against the certificate DNS names. A certificate containing `DNS:127.0.0.1` and no `IP Address:127.0.0.1` SAN was therefore accepted, while the same certificate is correctly rejected for `127.0.0.1`. Exploitation requires a certificate with a numeric DNS SAN issued by a CA trusted by the client, and a platform resolver that accepts these spellings, such as glibc. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.
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- Published by NVD
- First covered by RedTeamDaily
- Last updated by NVD
Coverage
Critical Brotli decoder flaw CVE-2026-111497 (Broccoli2Shell) exploited, added to CISA KEV
CVE-2026-111497, nicknamed Broccoli2Shell, is an out-of-bounds write in the Google Brotli decoder that can be exploited remotely without authentication. It can cause memory corruption, information disclosure, crashes or code execution. CISA added it to its Known Exploited Vulnerabilities catalogue on 27 October 2026. Software that bundles Brotli, including Node.js, .NET, PowerShell, Bun, Envoy Proxy, Istio and Python packages, may be affected.
CISA adds Brotli and Adobe Commerce PolyShell flaws to Known Exploited Vulnerabilities catalogue
CISA added CVE-2026-111497 (Google Brotli, CVSS 9.2) and CVE-2026-48356 (Adobe Commerce and Magento, CVSS 9.3) to its KEV catalogue, with federal agencies told to fix them by October 29, 2026. Sansec reported the Magento flaw, dubbed PolyShell, had been used to infect at least 953 online stores, while exploit traffic for the Brotli flaw has also been observed. Node.js, PHP, Bun and Microsoft .NET have released fixes for Brotli.
Sources: NVD and CISA known exploited vulnerabilities catalogue.