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Vulnerability Details :

CVE-2026-41413

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-07 May, 2026 | 04:18
Updated At-07 May, 2026 | 04:18
Rejected At-
Credits

Istio Vulnerable to SSRF via RequestAuthentication jwksUri

Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and 1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhost or link local ips. This can result in sensitive data being distributed to Envoy proxies via xDS configuration. This issue has been patched in versions 1.28.6 and 1.29.2.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:07 May, 2026 | 04:18
Updated At:07 May, 2026 | 04:18
Rejected At:
▼CVE Numbering Authority (CNA)
Istio Vulnerable to SSRF via RequestAuthentication jwksUri

Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and 1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhost or link local ips. This can result in sensitive data being distributed to Envoy proxies via xDS configuration. This issue has been patched in versions 1.28.6 and 1.29.2.

Affected Products
Vendor
istio
Product
istio
Versions
Affected
  • < 1.28.6
  • >= 1.29.0-alpha.0, < 1.29.2
Problem Types
TypeCWE IDDescription
CWECWE-918CWE-918: Server-Side Request Forgery (SSRF)
Type: CWE
CWE ID: CWE-918
Description: CWE-918: Server-Side Request Forgery (SSRF)
Metrics
VersionBase scoreBase severityVector
3.15.0MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Version: 3.1
Base score: 5.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhc
x_refsource_CONFIRM
https://github.com/istio/istio/releases/tag/1.28.6
x_refsource_MISC
https://github.com/istio/istio/releases/tag/1.29.2
x_refsource_MISC
Hyperlink: https://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhc
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/istio/istio/releases/tag/1.28.6
Resource:
x_refsource_MISC
Hyperlink: https://github.com/istio/istio/releases/tag/1.29.2
Resource:
x_refsource_MISC
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:07 May, 2026 | 06:16
Updated At:07 May, 2026 | 06:16

Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and 1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhost or link local ips. This can result in sensitive data being distributed to Envoy proxies via xDS configuration. This issue has been patched in versions 1.28.6 and 1.29.2.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.0MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 5.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-918Primarysecurity-advisories@github.com
CWE ID: CWE-918
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/istio/istio/releases/tag/1.28.6security-advisories@github.com
N/A
https://github.com/istio/istio/releases/tag/1.29.2security-advisories@github.com
N/A
https://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhcsecurity-advisories@github.com
N/A
Hyperlink: https://github.com/istio/istio/releases/tag/1.28.6
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/istio/istio/releases/tag/1.29.2
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhc
Source: security-advisories@github.com
Resource: N/A

Change History

0
Information is not available yet

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