Google Go up to 1.25.7/1.26.0 url.Parse improper validation of syntactic correctness of input

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Go up to 1.25.7/1.26.0. This vulnerability affects the function url.Parse. Such manipulation leads to improper validation of syntactic correctness of input. This vulnerability is documented as CVE-2026-25679. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Go up to 1.25.7/1.26.0. Affected by this issue is the function url.Parse. The manipulation with an unknown input leads to a improper validation of syntactic correctness of input vulnerability. Using CWE to declare the problem leads to CWE-1286. The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax. Impacted is confidentiality, integrity, and availability. CVE summarizes:

url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

This vulnerability is handled as CVE-2026-25679 since 02/05/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is 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 06/03/2026).

The vulnerability scanner Nessus provides a plugin with the ID 301394 (Linux Distros Unpatched Vulnerability : CVE-2026-25679), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.25.8 or 1.26.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (301394) and CERT Bund (WID-SEC-2026-0548). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Google Container-Optimized OS
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • IBM DB2
  • Red Hat OpenShift
  • Golang Go
  • IBM App Connect Enterprise

Productinfo

Type

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: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Improper validation of syntactic correctness of input
CWE: CWE-1286 / CWE-20
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: 301394
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-25679

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Go 1.25.8/1.26.1

Timelineinfo

02/05/2026 CVE reserved
03/07/2026 +30 days Advisory disclosed
03/07/2026 +0 days VulDB entry created
06/03/2026 +88 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Status: Confirmed

CVE: CVE-2026-25679 (🔒)
GCVE (CVE): GCVE-0-2026-25679
GCVE (VulDB): GCVE-100-349616
CERT Bund: WID-SEC-2026-0548 - Golang Go: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Entryinfo

Created: 03/07/2026 09:17
Updated: 06/03/2026 16:23
Changes: 03/07/2026 09:17 (53), 03/07/2026 14:58 (2), 03/12/2026 06:42 (17), 04/01/2026 21:51 (7), 04/16/2026 14:43 (1), 06/03/2026 16:23 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

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