THREAT OPS › Threat News › [NVD] CVE-2026-5773 (HIGH 7.5) — libcurl might in some circumstances reuse the wrong connection for SMB(S)
transfers.
libcurl features a pool of recent connections so that subsequent requests can
reuse an existing connection to avoid overhead.
When reusing a connection a range of criteria must be met. Due to a
[NVD] CVE-2026-5773 (HIGH 7.5) — libcurl might in some circumstances reuse the wrong connection for SMB(S) transfers. libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid overhead. When reusing a connection a range of criteria must be met. Due to a
CVE-2026-5773 CVSS: 7.5 HIGH Published: 2026-05-13T13:01:56.307
libcurl might in some circumstances reuse the wrong connection for SMB(S) transfers.
libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid overhead.
When reusing a connection a range of criteria must be met. Due to a logical error in the code, a network transfer operatio
MITRE ATT&CK techniques
- CredentialsT1589.001
Indicators of compromise
- CVE-2026-5773cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-5773