CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago (Oct 29, 2026, 5:23 AM ET)

What this means for you

This week: 3,073 CVEs published, 232 critical, and 3 newly confirmed exploited. Add your stack to see whether any of them hit you.

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This week's critical CVEs

Exploited in the last 30 days

Published in the last 7 days: 3,073; Show in the list
Critical, last 7 days: 232; Show in the list
Healthcare-tagged, last 7 days: 9; Show in the list
Known exploited (CISA KEV): 1,762; Show in the list

Showing CVEs that name the product cesanta:mongoose. Show all products

23 CVEs

Showing 1 to 10.

CVE	Severity	Title	Published
CVE-2026-63626	High 8.8	Mongoose: ppp_handle_ipv6cp() uses attacker-controlled length without bounds check — OOB read and heap overflow (PPP/PPPoE, MG_ENABLE_IPV6) Assigned by GitHub_M	Oct 14, 2026
CVE-2026-73261	High 7.5	Mongoose: handle_opt() missing opts[1] > len check — 1-byte OOB read corrupts TCP MSS, silences mg_send() per connection Assigned by GitHub_M	Oct 14, 2026
CVE-2026-73260	High 7.5	Mongoose: Out-of-bounds Read via length-counter underflow in built-in TLS X.509 DER parser Assigned by GitHub_M	Oct 14, 2026
CVE-2026-73252	High 7.5	Mongoose: Unauthenticated remote heap out-of-bounds read in built-in TLS: off-by-one length check in mg_tls_recv_record() underflows recv_len to SIZE_MAX Assigned by GitHub_M	Oct 14, 2026
CVE-2026-101003	Medium 5.3	Cesanta Mongoose MQTT Broker main.c fn stack-based overflow Assigned by VulDB	Sep 28, 2026
CVE-2026-73253	Critical 9.1	Mongoose: TLS Hostname Verification Bypass via Overly Permissive Wildcard Matching Assigned by GitHub_M	Aug 20, 2026
CVE-2026-73255	Medium 6.5	Mongoose: Path traversal in SSI #include directives enables arbitrary file read Assigned by GitHub_M	Aug 20, 2026
CVE-2026-73259	Medium 5.4	Mongoose: Reflected XSS via decoded URI in directory listing render Assigned by GitHub_M	Aug 20, 2026
CVE-2026-73256	Critical 9.1	Mongoose: HTTP/1.0 detection off-by-one enables request smuggling via chunked TE Assigned by GitHub_M	Aug 20, 2026
CVE-2026-73254	Medium 5.4	Mongoose: Stored XSS via unescaped filenames in directory listing Assigned by GitHub_M	Aug 20, 2026

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.