Google Android FormCredentials SipAuHelper.cpp downgrade

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.6$0-$5k0.00+

Summaryinfo

A vulnerability was found in Google Android and classified as problematic. The impacted element is an unknown function of the file SipAuHelper.cpp of the component FormCredentials. Executing a manipulation can lead to downgrade. This vulnerability is tracked as CVE-2026-59583. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Google Android (the affected version is unknown) and classified as problematic. This vulnerability affects an unknown code of the file SipAuHelper.cpp of the component FormCredentials. The manipulation with an unknown input leads to a downgrade vulnerability. The CWE definition for the vulnerability is CWE-757. A protocol or its implementation supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used in a protection mechanism such as encryption or authentication, but it does not select the strongest algorithm that is available to both parties. As an impact it is known to affect confidentiality. CVE summarizes:

In FormCredentials of SipAuHelper.cpp, there is a possible way to disclose authentication credentials in cleartext via a scheme downgrade due to improper input validation. This could lead to remote information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

The advisory is shared for download at source.android.com. This vulnerability was named CVE-2026-59583 since 07/06/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/10/2026). The MITRE ATT&CK project declares the attack technique as T1562.010.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.6

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Downgrade
CWE: CWE-757
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/06/2026 CVE reserved
11/10/2026 +127 days Advisory disclosed
11/10/2026 +0 days VulDB entry created
11/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CNA: Google_Devices
CVE: CVE-2026-59583 (🔒)

GCVE (CVE): GCVE-0-2026-59583
GCVE (VulDB): GCVE-100-434452
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 11/10/2026 21:04
Changes: 11/10/2026 21:04 (57)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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