CVE-2026-53981 | Cap-go prior to 12.128.2 contains an account takeover vulner… | CVSS 7.6 HIGH

Description

Cap-go prior to 12.128.2 contains an account takeover vulnerability in its email change mechanism that allows an attacker with temporary authenticated session access to change the registered email address without re-authentication such as password or MFA verification. Attackers can redirect verification to an attacker-controlled email address and subsequently perform a password reset to permanently take over the victim's account.

Metadata

CVE ID: CVE-2026-53981
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-11 16:07 UTC
Published: 2026-06-12 15:42 UTC
Last updated: 2026-06-12 17:24 UTC
Primary CWE: CWE-306
CWE-306 Missing Authentication for Critical Function
Vendor / Product: Cap-go / Cap-go
Sources: cve.org · NVD

Severity & Metrics

7.6 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
Cap-go	Cap-go	—	0 < 12.128.2, 6685e5f11adef257bf3d085e481f4d8ebcec602e

Weakness (CWE)

CWE	Source	Description
CWE-306	cna	CWE-306 Missing Authentication for Critical Function

CVSS scores (2)

Score	Severity	Version	Source	Vector
7.6	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
7.2	HIGH	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

References (3)