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CVE-2026-47837

Spring Cloud Config Server Monitor Endpoint Does Not Validate Webhook Requests

Medium6.8EPSS 0.55%
Published
Updated
Reserved
Assigned by
vmware

Description

Missing Authentication for Critical Function vulnerability in Spring Spring Cloud Config allows Webhook requests to Spring Cloud Config Server's /monitor endpoint are not validated. This issue affects Spring Cloud Config: from 5.0.0 through 5.0.4, from 4.3.0 through 4.3.4, from 4.0.0 through 4.2.8, and through 3.1.14.

Timeline

  1. ID reserved

    By vmware

  2. · 3 months later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-47837, by who scored it
Scored byCVSSScoreVector
vmwareCNA (assigner)3.1Medium6.8CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
NVDNVD · Analyzed3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.55% · top 54% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Weakness

Affected products

  • Spring · Spring Cloud Config

    • affected 5.0.0 – ≤ 5.0.4
    • affected 4.3.0 – ≤ 4.3.4
    • affected 4.0.0 – ≤ 4.2.8
    • affected ≤ 3.1.14

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .