Out-of-bounds Read in Miniupnp Project Miniupnpd
CVE-2026-5720
miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Miniupnp Project Miniupnpd — versions 0
- Miniupnp_project Miniupnpd
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Product, product)
- github.com/miniupnp/miniupnp/commit/b5e5d2eb069822b7f00d56c8e61033b9d500e60c
- disclosure@vulncheck.com (VDB Entry, Third Party Advisory, third-party-advisory)
- disclosure@vulncheck.com (Patch, patch)
Frequently asked questions
- What is CVE-2026-5720?
- CVE-2026-5720 is a critical-severity vulnerability in Miniupnp Project Miniupnpd, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2026-04-17.
- How severe is CVE-2026-5720?
- Critical severity. CVSS v3 base score is 9.1 out of 10.