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CVE-2026-77564

Talos Linux: Support bundle does not redact registry credentials

CVSS score

3.3

EPSS probability

%0.1

Risk score

0.0

Published

4 d ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Talos Linux Support Bundle Credential Redaction Vulnerability

Sources read

3

Source agreement

Tam uyum

Evidence confidence

%71

Short explanation

Talos Linux versions fail to redact private registry credentials and sensitive content in support bundles generated by the talosctl support command.

Why does it matter?

Operators sharing these bundles on public platforms can accidentally disclose private registry authentication parameters, leading to unauthorized access risks.

What should be done?

  • Update Talos Linux or follow the vendor advisory
  • Review support bundles for sensitive data before sharing
  • Use encrypted support bundle features where available
Chain of evidence and sources3 verified claims

talosctl support komutu ile oluşturulan destek paketleri, kayıt defteri kimlik bilgilerini ve hassas içerikleri maskelemeden içermektedir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvdS3 · github

Paketlerin paylaşılması durumunda, özel kayıt defteri kimlik bilgileri ifşa olabilir ve etki kayıt defterinin ağ maruziyetine göre değişebilir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvdS3 · github

Talos 1.14 ve sonrası sürümler destek paketlerini varsayılan olarak şifrelemektedir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvdS3 · github
Show the technical text from the sources

Talos Linux is a Linux distribution built for Kubernetes deployments. Prior to 1.12.9 and 1.13.3, talosctl support includes the auth field from resources/registryconfigs.cri.talos.dev.yaml and sensitive content from etcfilespecs.files.talos.dev.yaml in generated support bundles instead of marking or redacting those resources. An operator who shares a bundle with an unintended party can therefore disclose private registry authentication parameters, with impact depending on the registry's network exposure and credential privileges. Talos 1.14 and later encrypt support bundles by default, which reduces but does not replace the need for redaction. This issue is fixed in versions 1.12.9 and 1.13.3.

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CWE: CWE-312

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-77564 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1siderolabstalos View
2gogithub.com/talos-systems/talos View
Total affected vendors: 2|Products: 2

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
3.3CVSS V3_1LOWCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NCVE CNA
3.3CVSS V31LOWCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NNVD
3.3CVSS 3.x—Vector not publishedGitHub Advisory
0.0CVSS 4.0—Vector not publishedGitHub Advisory

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

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Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-77564 is associated with the following CWEs:

CWE-312: Common Weakness Enumeration Entry CWE-312

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-77564 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsGerekmiyor
UserGerekiyor

Official Sources and Advisories

https://github.com/siderolabs/talos/security/advisories/GHSA-7cxh-94cf-mfp6vendor-advisoryhttps://github.com/siderolabs/talos/pull/13345vendor-advisoryhttps://github.com/siderolabs/talos/pull/13434vendor-advisoryhttps://github.com/siderolabs/talos/pull/13611vendor-advisoryhttps://github.com/siderolabs/talos/commit/4c288caf2de1db7f84bba0539ca5ed7d6ecb9142vendor-advisoryhttps://github.com/siderolabs/talos/commit/76080416beee6460375c0d0db3cab76cc493ad3evendor-advisoryhttps://github.com/siderolabs/talos/commit/7dc716d850e43373ba8702c702105f4edd68fcebvendor-advisoryhttps://github.com/siderolabs/talos/releases/tag/v1.12.9vendor-advisoryhttps://github.com/siderolabs/talos/releases/tag/v1.13.3vendor-advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-77564vendor-advisory

CVSS Vector Radar Chart

3.3 / 10
Attack VectorLocalComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone required
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

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Weakness Type (CWE & CAPEC)

CWE-312

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