Google Go up to 1.12.9/1.13.0 HTTP Request request smuggling

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Google Go up to 1.12.9/1.13.0. This vulnerability affects unknown code. The manipulation as part of HTTP Request leads to request smuggling. This vulnerability is traded as CVE-2019-16276. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Go up to 1.12.9/1.13.0 (Programming Language Software). It has been rated as critical. This issue affects some unknown functionality. The manipulation as part of a HTTP Request leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Go before 1.12.10 and 1.13.x before 1.13.1 allow HTTP Request Smuggling.

The weakness was shared 09/30/2019 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2019-16276 since 09/12/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 235604 (Tenable Sensor Proxy < 1.2.0 Multiple Vulnerabilities (TNS-2025-08)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.12.10 or 1.13.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (235604). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 235604
Nessus Name: Tenable Sensor Proxy < 1.2.0 Multiple Vulnerabilities (TNS-2025-08)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Go 1.12.10/1.13.1

Timelineinfo

09/12/2019 🔍
09/30/2019 +18 days 🔍
10/01/2019 +1 days 🔍
05/09/2025 +2047 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: RHSA-2020:0101
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-16276 (🔍)
GCVE (CVE): GCVE-0-2019-16276
GCVE (VulDB): GCVE-100-142739

Entryinfo

Created: 10/01/2019 12:32
Updated: 05/09/2025 05:18
Changes: 10/01/2019 12:32 (57), 09/17/2020 10:15 (1), 12/29/2023 08:07 (4), 05/09/2025 05:18 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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