PT-2026-20482 · Unknown · Fascinatedbox Lily

Oneafter · Published 2026-02-18 · Updated 2026-02-18 · CVE-2026-2660

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions FascinatedBox lily versions prior to 2.3

Description A use-after-free issue exists in the shorthash for name function within the src/lily symtab.c file. Local access is required for exploitation. The project was informed of the issue but has not yet responded. The exploit is publicly available.

Recommendations Update to a version later than 2.3. As a temporary workaround, consider disabling or restricting the use of the shorthash for name function until a patch is available.

Exploit

Fix

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

CVE-2026-2660

Affected Products

Fascinatedbox Lily

References · 10

• 🔥 https://github.com/FascinatedBox/lily/issues/385 · Exploit
• 🔥 https://github.com/oneafter/0122/blob/main/i385/repro.lily · Exploit
• 🔥 https://vuldb.com/?submit.753164 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-2660 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2660 · Vendor Advisory
• https://t.me/CVEtracker/45011 · Telegram Post
• https://vuldb.com/?id.346458 · Note
• https://twitter.com/CVEnew/status/2024258096030535956 · Twitter Post
• https://vuldb.com/?ctiid.346458 · Note
• https://github.com/FascinatedBox/lily · Note