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P4
CVE-2026-73258: mongoose before 7.22 (exclusive), < 7.22
CVE-2026-73258. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.00459 (percentile 0.38366), scored 17-Oct-2026.
Affected technology
mongoose · before 7.22 (exclusive)
cesanta
mongoose · < 7.22
cesanta
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
A remote attacker can place a lone carriage return or line feed in multipart input processed by mg_http_next_multipart() in src/http.c. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-697
- CCR priority
- 26.1 /100 (P4)
- CVSS 3.1
- 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N · Vendor/CNA
- EPSS
- 0.00459 · percentile 0.38366 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-18 20:23:06.032219+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-73258.html