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THREAT OPSThreat News › [NVD] CVE-2026-82208 — With the wolfSSL backend, when CA caching is enabled and an `CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can silently reinstall the cached store after the callback returns. A certificate trusted by the cached store but rejected by the callback-selected st

[NVD] CVE-2026-82208 — With the wolfSSL backend, when CA caching is enabled and an `CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can silently reinstall the cached store after the callback returns. A certificate trusted by the cached store but rejected by the callback-selected st

mednvdPublished 2026-09-06

CVE-2026-82208 CVSS: None Published: 2026-09-06T18:17:22.733

With the wolfSSL backend, when CA caching is enabled and an `CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can silently reinstall the cached store after the callback returns. A certificate trusted by the cached store but rejected by the callback-selected store is then incorrectly accepted.

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-82208