CVE-2026-127088

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Source
https://cve.org/CVERecord?id=CVE-2026-127088
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-127088.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-127088
Aliases
  • GHSA-v9qw-r94g-95qv
Published
2026-11-13T09:34:16Z
Modified
2026-11-14T02:47:31Z
Severity
  • 8.6 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
2FAuth before 9.0.1 Password Reset Poisoning via Host Header
Details

2FAuth before 9.0.1 contains a weak password recovery vulnerability that allows unauthenticated attackers to poison reset links by forging the HTTP Host header. Attackers can request password or WebAuthn recovery emails with an attacker-controlled host, capture the victim's token, and take over accounts exposing stored TOTP/HOTP secrets.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-640"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/127xxx/CVE-2026-127088.json"
}
References

Affected packages

Git / github.com/bubka/2fauth

Affected ranges

Type
GIT
Repo
https://github.com/bubka/2fauth
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
2a19734a178846f4b59c1b52504b8d8e1036623c
Fixed
35ce085b69f9f5044dfb94017c3f27c1dc2668f3
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "9.0.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "fixed": "35ce085b69f9f5044dfb94017c3f27c1dc2668f3"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "v9.0.1",
            "range": [
                {
                    "fixed": "2a19734a178846f4b59c1b52504b8d8e1036623c"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.1.0
v1.2.0
v1.3.0
v1.3.1
v2.*
v2.0.0
v2.0.1
v2.0.2
v2.1.0
v3.*
v3.0.0
v3.1.0
v3.1.1
v3.2.0
v3.3.0
v3.3.1
v3.3.2
v3.3.3
v3.4.0
v3.4.1
v4.*
v4.0.0
v4.0.0-beta.1
v4.0.1
v4.0.2
v4.1.0
v4.2.0
v4.2.1
v4.2.2
v4.2.3
v4.2.4
v5.*
v5.0.0
v5.0.1
v5.0.2
v5.0.3
v5.0.4
v5.1.0
v5.1.1
v5.2.0
v5.3.0
v5.3.1
v5.3.2
v5.4.0
v5.4.1
v5.4.2
v5.4.3
v5.5.0
v5.5.1
v5.5.2
v5.6.0
v6.*
v6.1.0
v6.1.1
v6.1.2
v6.1.3
v7.*
v7.0.0
v7.0.1
v8.*
v8.0.0
v8.0.1
v8.0.2
v8.0.3
v9.*
v9.0.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-127088.json"