HIGHCVSS v3.1 7.5Vulnerability
CVE-2026-121727
Kore before 4.3.0 contains an integer underflow vulnerability in HTTP request body handling that allows unauthenticated attackers to bypass http_body_max by sending more body bytes than declared. Attackers can send oversized first segments over many concurrent POST, PUT or DELETE connections, wrapping content_length to grow buffers unbounded and exhaust worker memory.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-04T01:29:06.847378+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.5
- Retrieved at
- 2026-11-04T01:30:00+00:00
- Score
- 7.5
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121727
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-04T01:30:00+00:00
- Name
- CVE-2026-121727
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-11-03T23:17:36.043
- Last modified
- 2026-11-03T23:17:36.043
Related Entities (1)
HAS_WEAKNESS (1)
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