CVE-2025-66577 is a log poisoning vulnerability affecting cpp-httplib versions prior to 0.27.0, a C++11 HTTP/HTTPS library. Attackers can manipulate HTTP headers like X-Forwarded-For to spoof client IP addresses, leading to inaccurate server logs and potentially evading audit trails. This medium-severity vulnerability (CVSS 5.3) is network-exploitable with low complexity, impacting integrity by allowing attackers to falsify log data. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.27.0CPE matchmatch criteria | cpe:2.3:a:yhirose:cpp-httplib:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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