cpp-httplib vulnerabilities and fixes

Recent CVEs affecting cpp-httplib, with upgrade or downgrade steps. 1 tracked.

Also searched as: cpp httplib.

cpp-httplib has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-07-10. Highest priority: CVE-2026-54919 (score 35/100).

• CVE-2026-54919 HIGH 7.4 UPGRADE cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library

FAQ

How do I fix cpp-httplib vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is cpp-httplib being exploited right now?

None of the tracked cpp-httplib CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which cpp-httplib CVE should I patch first?

CVE-2026-54919 currently ranks highest (35/100): cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library.

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