PT-2026-4798 · Hiawatha · Hiawatha

Published 2026-01-26 · Updated 2026-02-13 · CVE-2025-57785

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Hiawatha version 11.7

Description A double free issue exists in the XSLT show index function of the Hiawatha webserver. This allows an unauthenticated attacker to corrupt data, potentially leading to arbitrary code execution. The issue involves a double free condition within the XSLT processing logic.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2025-57785

Affected Products

Hiawatha

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-57785 · Security Note
• https://osv.dev/vulnerability/CVE-2025-57785 · Vendor Advisory
• https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/xslt.c?ref_type=heads#L675 · Note
• https://twitter.com/CVEnew/status/2015856455123886432 · Twitter Post
• https://t.me/cveNotify/151940 · Telegram Post