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VulnerabilityPublished Updated

CVE-2026-56332: Capgo · Open Redirect

Affects CapgoSource CVE Database V5

0
Compare

Public exploit available · CVSS 5.1 Medium : upgrade to 12.128.2 as a priority.

Data as of 8 Nov 2026, 14:47 UTC

CVSS 4.0 base score
5.1Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.05.1
CNA (VulnCheck)CVSS 3.14.7
CISA SSVC
Exploitation
Proof of concept is public or traded
Automatable
Attackers can reliably automate steps 1–4 of the kill chain
Technical impact
Limited control over the software or limited information exposure

CISA SSVC assessment, 2026-06-22.

Patch
Available – fixed in 12.128.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 20 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CISA SSVC: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by VulnCheck

    , 2 hours before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. CISA SSVC assessment

    proof of concept public

    , 45 hours after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Upgrade Capgo to 12.128.2.

Affected software

ProductAffectedFixed in
CapgoCapgoAffected
  • <12.128.2
Fixed in
  • 12.128.2
GitHubCapgopkg:github/CapgoOther threatsAffected
  • <12.128.2
Fixed in
  • 12.128.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Capgo to version 12.128.2 or later, where this open redirect vulnerability is fixed. No other mitigation is indicated by the vendor advisory.

Description

CVE-2026-56332 is an open redirect vulnerability in Capgo versions before 12.128.2. The flaw exists in the confirm-signup endpoint where the confirmation_url parameter is not validated, allowing attackers to redirect users to arbitrary external websites. This can be exploited to craft malicious links for phishing and credential harvesting attacks. The vulnerability has a medium severity with a CVSS score of 5.1. A fix is available in Capgo version 12.128.2.

References

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