CVE-2026-123196

Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata

8.6 High

Authorizer before 2.4.2 contains a password reset poisoning vulnerability that allows unauthenticated attackers to control emailed link hosts by supplying x-authorizer-url gRPC metadata. Attackers can send this metadata to the gRPC port or a Grpc-Metadata-X-Authorizer-Url header through the REST gateway to capture reset or magic-link tokens and take over accounts.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.36%Unchanged since Nov 6, 2026

What each source reports

CVE List Score used 8.6

Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata

Record: CVE-2026-123196
CVSS 4.0: 8.6 HighCVSS: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 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-640
Updated: 2026-11-05

EUVDEUVD-2026-117641 8.6

Record: EUVD-2026-117641
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-06

GitHub AdvisoriesGHSA-4q96-hqv8-w3gh 8.6

Authorizer before 2.4.2 contains a password reset poisoning vulnerability that allows...

Record: GHSA-4q96-hqv8-w3gh
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/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: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-640
Updated: 2026-11-05

NVD 8.6

Record: CVE-2026-123196
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/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: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-640
Updated: 2026-11-05

OSV 8.6

Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata

Record: CVE-2026-123196
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-640
Updated: 2026-11-07

Affected products

History

History
Recorded	Changed	Sources
Nov 6, 2026	published	EUVD
Nov 5, 2026	published	EUVD
Nov 5, 2026	aliases, references	NVD, OSV
Nov 5, 2026	aliases, references	GitHub Advisories
Nov 5, 2026	cwes, products, references, severity, title	CVE List
Nov 5, 2026	first indexed	EUVD

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

In short

CVE-2026-123196 is a high vulnerability (CVSS 8.6) in Authorizerdev Authorizer, published November 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.

References

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