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Docker Desktop CVE-2025-13743

LOW
Insertion of Sensitive Information into Log File (CWE-532)
2025-12-09 security@docker.com
2.4
CVSS 4.0 · Vendor: docker
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Gain local access to host or exported bundle
  2. Exploit
    User generates diagnostics after Hub errors
  3. Execution
    Expired PATs serialized into log output
  4. Impact
    Read sensitive tokens from bundle

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A09:2025 - Security Logging & Alerting Failures
ASVS 5.0
V16 - Security Logging and Error Handling Log data sanitization
Exploitation Conditions

Exploitation requires: (1) the affected workflow actually occurring - a user must trigger Hub 'access denied' (or similar) errors and then generate/export a Docker Desktop diagnostics bundle (the UI:P / user-interaction condition); (2) local or post-export access to that diagnostics bundle on the host or wherever it was shared (AV:L, PR:L - the actor needs at least low-privileged local account access to reach the generated file). Strong limiting factors: the exposed Hub PATs are EXPIRED and therefore of little authentication value; no integrity or availability impact; and exploitation is confined to the specific diagnostics-export code path rather than any default network-facing surface. There is no remote or unauthenticated path.

Impact

This is a genuinely low-priority issue, and the signals are consistent rather than conflicting. The vendor-supplied CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N) scores only 2.4, reflecting a local attack vector, required low-level privileges, passive user interaction, and merely Low confidentiality impact with no integrity or availability effect. EPSS corroborates this at 0.21% (11th percentile), indicating very low probability of exploitation activity. The vulnerability is NOT in CISA KEV and no public proof-of-concept is referenced, so there is no evidence of active exploitation. Critically, the leaked Hub Personal Access Tokens are described as EXPIRED, which sharply reduces the practical value of any disclosure - an attacker recovering them generally cannot use them for authentication. The only reportedly confirmed fact is the vendor's own disclosure (reported by security@docker.com); there is no independent patch-version confirmation in the provided data. Net: a real but minor information-hygiene defect, not an operational priority.

Exploit ScenarioDerived

A developer running Docker Desktop encounters Hub 'access denied' errors and generates a diagnostics bundle for support; the bundle's serialized error objects embed expired Hub PATs in the log output. An attacker who later obtains that exported bundle (e.g., from a shared support ticket, file share, or local disk) can read the tokens, though their expired status limits real-world abuse. No public exploit code is referenced and this requires local access to the generated diagnostics artifact.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 14, 2026

Export of Docker Desktop diagnostics bundles can leak expired Hub personal access tokens (PATs) when Hub access-denied errors are serialized into log output. The affected surface is Docker Desktop as a whole, reflected by the wildcard CPE cpe:2.3:a:docker:docker_desktop:*:*:*:*:*:*:*:*, so all versions are potentially in scope until a fixed release is identified. A low-privileged local actor who can reach an exported bundle after a user triggers an access-denied error and generates diagnostics can recover the expired token; the vendor score is 2.4 and the independent local assessment is CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N, with EPSS at 0.21 percent (11th percentile), no public exploit identified at time of analysis, and no CISA KEV listing. Because the exposed PATs are expired, real authentication value is minimal and the practical risk is secret-hygiene and information-disclosure rather than account compromise.

RemediationAI

The provided data does not identify an exact fixed Docker Desktop version, so patch availability is not confirmed from available sources; check the Docker Desktop release notes and the advisory at https://docs.docker.com/desktop/troubleshoot-and-support/troubleshoot/#troubleshoot-menu for a version that redacts credential fields from serialized error objects, and upgrade as soon as a specific fixed release is named. Until then, treat every exported diagnostics bundle as sensitive: avoid generating and exporting diagnostics while Hub access-denied errors are present, and if a bundle must be produced, restrict its filesystem permissions and review it before sharing. Rotate or revoke all Docker Hub PATs regardless of expiry, since expired tokens are low value but their appearance confirms the serialization flaw and any newly issued tokens could be exposed by the same code path. As compensating controls, limit local account access to hosts that generate diagnostics bundles (reduces the AV:L and PR:L prerequisites) and disable or tightly control automated diagnostics collection, accepting that this reduces supportability and can slow troubleshooting. Apply network and disk controls around shared support artifacts so bundles are not broadly readable, with the trade-off that such controls add handling overhead and may not stop an actor who already holds local read access.

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Technical ContextAI · show details

The root cause class is CWE-532, insertion of sensitive information into a log file, occurring specifically in Docker Desktop's diagnostics-bundle generation path. When a Hub operation returns an access-denied or similar error, Docker Desktop serializes the error object into diagnostic log output without redacting credential fields, so a Hub personal access token embedded in that error context is written into the bundle. Diagnostics bundles are troubleshooting archives that users deliberately generate and often share with support or attach to issues, which is why the leak becomes meaningful only after export and distribution. The CPE is a wildcard for docker:docker_desktop, meaning no specific fixed version is encoded in the available data; the Exploitation conditions assessed independently require the access-denied workflow to actually occur, a user to generate and export the bundle (the UI:R condition), and a local actor to gain read access to the resulting file (AV:L, PR:L). The tokens involved are expired, and the assessment records no integrity or availability impact and no remote or unauthenticated path.

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Severity by source

Vendor (docker) PRIMARY 2.4 LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
vuln.today AI 2.8 LOW

Local access to a user-generated diagnostics bundle (AV:L, UI:R, PR:L); only low confidentiality impact from expired tokens, with no integrity or availability effect.

3.1 AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (docker).

CVSS VectorVendor: docker

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
Passive
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

Docker Desktop diagnostics bundles were found to include expired Hub PATs in log output due to error object serialization. This poses a risk of leaking sensitive information in exported diagnostics, especially when access denied errors occurred.

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% exploitable
Prevalence
High
Docker Desktop is widely deployed developer tooling across enterprises
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
High

Priority Score

12
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +12
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:docker:docker_desktop:*:*:*:*:*:*:*:*

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