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P5

CVE-2026-43971: cowlib 2.9.0 to before 2.20.0

CVE-2026-43971. EPSS 0.00524 (percentile 0.43525), scored 21-Oct-2026.

Affected technology

cowlib · 2.9.0 to before 2.20.0
ninenines

cowlib · 485d58dfa91b91d98135dc95e5615f421715dae5 to before 89da27ee4c241f5d649ba7d9b7f2188918af6cea
ninenines

Component: cow_link
Function: cow_link:link/1, cow_link:do_link/1, cow_link:escape/2
File: src/cow_link.erl

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An attacker can append additional link entries with attacker-chosen rel directives. Source advisory’s CVSS 4.0 assessment (base score 6.3/10) rates confidentiality and availability impact as none; integrity impact as low.

Published

CWE
CWE-116
CCR priority
0.1 /100 (P5)
EPSS
0.00524 · percentile 0.43568 · 2026-10-22
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43971.html