CVE-2026-56305

Capgo - Authentication Bypass in Password Change via Missing Current Password Validation

8.7 High

Capgo before 12.128.2 contains an authentication bypass vulnerability in the password change endpoint that allows attackers to change user passwords without requiring current password confirmation. Attackers with temporary session access can exploit this flaw to permanently lock out legitimate users and achieve full account takeover.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: Low

Exploit likelihood

0.45%Up 0.1 points since Jul 11, 2026

What each source reports

CVE List Score used 8.7

Capgo - Authentication Bypass in Password Change via Missing Current Password Validation

Record: CVE-2026-56305
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CVSS 3.1: 8.3 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-620
Updated: 2026-11-02

EUVDEUVD-2026-42882 8.7

Record: EUVD-2026-42882
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-j3rw-h6r5-mm7x 8.7

Capgo before 12.128.2 contains an authentication bypass vulnerability in the password change...

Record: GHSA-j3rw-h6r5-mm7x
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.3 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-620
Updated: 2026-11-02

NVD 8.7

Record: CVE-2026-56305
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.3 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-620
Updated: 2026-11-02

OSV 8.7

Capgo - Authentication Bypass in Password Change via Missing Current Password Validation

Record: CVE-2026-56305
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Weakness: CWE-620
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-56305 is a high vulnerability (CVSS 8.7) in Cap-go Capgo, published July 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.