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CVE-2019-10806

18
FAUCET Score

CVE-2019-10806 is a prototype pollution vulnerability affecting vega-util versions prior to 1.13.1, specifically within the vega.mergeConfig method. This medium-severity vulnerability (CVSS 4.3) allows an authenticated attacker to modify or add properties to Object.prototype, potentially leading to data integrity issues. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.13.1CPE matchmatch criteria
cpe:2.3:a:vega_project:vega:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.11%
Probability of exploitation in next 30 days
EPSS Percentile
62.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0111 is in the 76th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: vega-utilFixed in: 1.13.1

Vendor Advisories (2)

npmGHSA-6hwh-rqwf-cxxrmedium

Improperly Controlled Modification of Dynamically-Determined Object Attributes in vega-util

May 7, 2021
redhatCVE-2019-10806Moderate

vega-util: Improperly Controlled Modification of Dynamically-Determined Object Attributes in vega-util

Mar 9, 2020

References

github.com / vega/vega/commit/8f33a0b5170d7de4f12fc248ec0901234342367b
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-VEGAUTIL-559223
ExploitThird Party Advisory