CVE-2026-47836

Spring Cloud Config Server Susceptible To TOCTOU Attack When Using SVN

HIGH

8.1

CVSS Score

Published: August 26, 2026 at 05:05 PM UTC

Updated: September 4, 2026 at 07:56 PM UTC

2 products affected across 2 vendorsSpring Cloud ConfigSpring Cloud Config

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Severity

HIGH8.1

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

The base directory (spring.cloud.config.server.svn.basedir) used by the Spring Cloud Config Server to clone SVN repositories to is susceptible to time-of-check-time-of-use (TOCTOU) attacks. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring Cloud Config 3.1.14 and earlier

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Spring Cloud Config · VMware

95%

v < 3.1.154.0.0 ≤ v < 4.2.94.3.0 ≤ v < 4.3.55.0.0 ≤ v < 5.0.5

Affected range stops below 3.1.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.2.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.0.5, so it looks safe — our inference, not a vendor statement

Spring Cloud Config · Spring

60%

v ≤ 3.1.144.0.0 ≤ v ≤ 4.2.84.3.0 ≤ v ≤ 4.3.45.0.0 ≤ v ≤ 5.0.44.0.0 4.3.0 5.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://spring.io/security/cve-2026-47836

References (1)

Vendor Advisory

Source: cverecord

https://spring.io/security/cve-2026-47836

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGH[email protected]

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-367

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