CyberSecBulletin

Hnswlib vulnerabilities

We track 1 vulnerability in Hnswlib products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on November 9, 2026.

1vulnerabilities
0critical
1high
0exploited
7.1average CVSS score

Latest Hnswlib vulnerabilities

  • 7.1 High severity

    Voyager: Out-of-bounds Write

    CVE-2026-124959Spotify

    The loadIndex function in nmslib hnswlib and Spotify Voyager does not verify that the element count in a serialized HNSW index is within the stored capacity used to allocate the heap buffer. An attacker can supply a crafted index file with an element count gre