Public proof of conceptFix available

CVE-2022-31691

Q: Is CVE-2022-31691 actively exploited?

Active exploitation of CVE-2022-31691 has not been confirmed. Its EPSS score was 2.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-31691?

CVE-2022-31691 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2022-11-04
Fixed in1.40.0
WeaknessCWE-94

Am I 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

Spring Tools 4 for Eclipse version 4.16.0 and below as well as VSCode extensions such as Spring Boot Tools, Concourse CI Pipeline Editor, Bosh Editor and Cloudfoundry Manifest YML Support version 1.39.0 and below all use Snakeyaml library for YAML editing support. This library allows for some special syntax in the YAML that under certain circumstances allows for potentially harmful remote code execution by the attacker.

Timeline

dates in UTC

2022-11-0419:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-31691?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-31691?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Vmware bosh editor

Branch	Affected	Fixed in	Source
1.x	≥ 1.0.0, < 1.40.0	1.40.0	NVD

Vmware cloudfoundry manifest yml support

Branch	Affected	Fixed in	Source
1.x	≥ 1.0.0, < 1.40.0	1.40.0	NVD

Vmware concourse ci pipeline editor

Branch	Affected	Fixed in	Source
1.x	≥ 1.0.0, < 1.40.0	1.40.0	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Vmware bosh editor to 1.40.0

Advisories and patches

tanzu.vmware.comVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedblipzip/CVE-2022-31691

Sources

CISA-ADPSSVC decisionnone2025-05-02
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.19.82025-05-02
NVDCVSS 3.19.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-942025-05-02
FIRST EPSSEPSS score2.7 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-11-04
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-31691?

Is CVE-2022-31691 actively exploited?

Active exploitation of CVE-2022-31691 has not been confirmed. Its EPSS score was 2.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-31691?

CVE-2022-31691 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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