CVE-2026-47836
No exploitation reported by the sources we read.
- Published2026-08-26
- Fixed in5.0.5 · 4.3.5 · 4.2.9 · 3.1.15
- WeaknessCWE-367
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
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
Timeline
dates in UTC- 2026-08-2618:16CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-11-03 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-47836?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-47836?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.0 | ≥ 5.0.0, < 5.0.5 | 5.0.5 | NVD |
| 4.3 | ≥ 4.3.0, < 4.3.5 | 4.3.5 | NVD |
| 4.x | ≥ 4.0.0, < 4.2.9 | 4.2.9 | NVD |
| 3.1 | < 3.1.15 | 3.1.15 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Products declared by the CNA1 product
As vmware, the CNA that assigned this CVE, declared them in the CVE record; versions as written.
- Spring Cloud Configother versions: not affectedAffected
- ≥ 5.0.0, ≤ 5.0.4no fix statedcustom
- ≥ 4.3.0, ≤ 4.3.4no fix statedcustom
- ≥ 4.0.0, ≤ 4.2.8no fix statedcustom
- ≤ 3.1.14no fix statedcustom
Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-08-26
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- org.springframework.cloud:spring-cloud-config-serverTuxCare:Mavenfrom 4.2.4 · fixed in 4.2.4-tuxcare.1
- org.springframework.cloud:spring-cloud-config-serverTuxCare:Mavenfrom 4.3.4 · fixed in 4.3.4-tuxcare.1
Vendor advisories
- CVE-2026-47836 Red Hat Product Security
org.springframework.cloud/spring-cloud-config-server: Spring Cloud Config Server: TOCTOU vulnerability in SVN base directory
Fix
- Update Vmware spring cloud config to 5.0.5 · 4.3.5 · 4.2.9 · 3.1.15
Advisories and patches
- spring.ioVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
- Metasploit modules
- none listed Metasploit Framework
Sources
- CISA-ADPSSVC decisionnone2026-08-26
- OpenCVESSVC decisionnone—
- CNACVSS 3.17.2known since 2026-10-23
- NVDCVSS 3.18.1read 2026-10-23
- NVDweakness (CWE)CWE-367read 2026-10-23
- FIRST EPSSEPSS score0.2 %2026-11-03
- OSVaffected packages—
- GitHub Advisoriesadvisory—
Identifiers
- EUVD-2026-66637same flawENISA EUVD · LicenseRef-ENISA-legal-notice
- GHSA-w2ff-ccff-p3cxsame flawGitHub Advisory Database · CC-BY-4.0
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2026-08-26
- Last Modified
- 2026-09-04
- NVD status
- Analyzed
- GitHub Advisory
- GHSA-w2ff-ccff-p3cx
Frequently asked questions
What is CVE-2026-47836?
Is CVE-2026-47836 actively exploited?
What is the CVSS score for CVE-2026-47836?
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.
Sources for this record
- CVE Program · CVE Program Terms of Use
- ENISA EU Vulnerability Database · ENISA legal notice §1.2 (reproduction authorised, provided the source is acknowledged)
- FIRST EPSS · EPSS terms of use (free use, attribution requested)
- GitHub Advisory Database · CC-BY-4.0 · GHSA-w2ff-ccff-p3cx
- NVD · Public domain (17 U.S.C. § 105) for NVD-authored data; third-party content under its own terms
- OpenCVE · OpenCVE terms of service · terms restrict redistribution
- OSV.dev · Per record, as its publisher states it: each row carries the label in sourceLicense when one is served
- Red Hat Product Security (CSAF and VEX) · CC-BY-4.0
- CISA Vulnrichment · CC0-1.0