GHSA-48V4-H5MW-72WW
Vulnerability from github – Published: 2026-09-30 15:31 – Updated: 2026-09-30 15:31A prototype pollution vulnerability exists in the deep merge helpers of Vaadin Charts and Vaadin Component Base. Merging an object the application does not control into a chart configuration or into a component's i18n property writes onto Object.prototype, making the injected properties visible to every object in the running application.
Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include:
Product version Vaadin 23.0.0 - 23.6.13 Vaadin 24.0.0 - 24.9.20 Vaadin 24.10.0 - 24.10.9 Vaadin 25.0.0 - 25.1.11 Vaadin 25.2.0 - 25.2.6
Mitigation Upgrade to 23.6.14 Upgrade to 24.9.21 Upgrade to 24.10.10 Upgrade to 25.1.12 Upgrade to 25.2.7 or newer
Please note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 23, 24, 25 version.
Artifacts Maven coordinates Vulnerable versions Fixed version com.vaadin:vaadin 23.0.0 - 23.6.13 >=23.6.14 com.vaadin:vaadin 24.0.0 - 24.9.20 >=24.9.21 com.vaadin:vaadin 24.10.0 - 24.10.9 >=24.10.10 com.vaadin:vaadin 25.0.0 - 25.1.11 >=25.1.12 com.vaadin:vaadin 25.2.0 - 25.2.6 >=25.2.7 com.vaadin:vaadin-core 24.7.0 - 24.9.20 >=24.9.21 com.vaadin:vaadin-core 24.10.0 - 24.10.9 >=24.10.10 com.vaadin:vaadin-core 25.0.0 - 25.1.11 >=25.1.12 com.vaadin:vaadin-core 25.2.0 - 25.2.6 >=25.2.7 com.vaadin:vaadin-charts-flow 23.0.0 - 23.6.13 >=23.6.14 com.vaadin:vaadin-charts-flow 24.0.0 - 24.9.20 >=24.9.21 com.vaadin:vaadin-charts-flow 24.10.0 - 24.10.9 >=24.10.10 com.vaadin:vaadin-charts-flow 25.0.0 - 25.1.11 >=25.1.12 com.vaadin:vaadin-charts-flow 25.2.0 - 25.2.6 >=25.2.7
npm packages npm package Vulnerable versions Fixed version @vaadin/charts 23.0.0 - 23.6.4 >=23.6.5 @vaadin/charts 24.0.0 - 24.9.17 >=24.9.18 @vaadin/charts 24.10.0 - 24.10.4 >=24.10.5 @vaadin/charts 25.0.0 - 25.1.11 >=25.1.12 @vaadin/charts 25.2.0 - 25.2.8 >=25.2.9 @vaadin/component-base 24.7.0 - 24.9.17 >=24.9.18 @vaadin/component-base 24.10.0 - 24.10.4 >=24.10.5 @vaadin/component-base 25.0.0 - 25.1.11 >=25.1.12 @vaadin/component-base 25.2.0 - 25.2.8 >=25.2.9
{
"affected": [],
"aliases": [
"CVE-2026-91860"
],
"database_specific": {
"cwe_ids": [
"CWE-1321"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-30T14:17:34Z",
"severity": "MODERATE"
},
"details": "A prototype pollution vulnerability exists in the deep merge helpers of Vaadin Charts and Vaadin Component Base. Merging an object the application does not control into a chart configuration or into a component\u0027s i18n property writes onto Object.prototype, making the injected properties visible to every object in the running application.\n\n\nUsers of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include:\n\nProduct version\nVaadin 23.0.0 - 23.6.13\nVaadin 24.0.0 - 24.9.20\nVaadin 24.10.0 - 24.10.9\nVaadin 25.0.0 - 25.1.11\nVaadin 25.2.0 - 25.2.6\n\nMitigation\nUpgrade to 23.6.14\nUpgrade to 24.9.21\nUpgrade to 24.10.10\nUpgrade to 25.1.12\nUpgrade to 25.2.7 or newer\n\nPlease note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 23, 24, 25 version.\n\nArtifacts\nMaven coordinates Vulnerable versions Fixed version\ncom.vaadin:vaadin 23.0.0 - 23.6.13 \u003e=23.6.14\ncom.vaadin:vaadin 24.0.0 - 24.9.20 \u003e=24.9.21\ncom.vaadin:vaadin 24.10.0 - 24.10.9 \u003e=24.10.10\ncom.vaadin:vaadin 25.0.0 - 25.1.11 \u003e=25.1.12\ncom.vaadin:vaadin 25.2.0 - 25.2.6 \u003e=25.2.7\ncom.vaadin:vaadin-core 24.7.0 - 24.9.20 \u003e=24.9.21\ncom.vaadin:vaadin-core 24.10.0 - 24.10.9 \u003e=24.10.10\ncom.vaadin:vaadin-core 25.0.0 - 25.1.11 \u003e=25.1.12\ncom.vaadin:vaadin-core 25.2.0 - 25.2.6 \u003e=25.2.7\ncom.vaadin:vaadin-charts-flow 23.0.0 - 23.6.13 \u003e=23.6.14\ncom.vaadin:vaadin-charts-flow 24.0.0 - 24.9.20 \u003e=24.9.21\ncom.vaadin:vaadin-charts-flow 24.10.0 - 24.10.9 \u003e=24.10.10\ncom.vaadin:vaadin-charts-flow 25.0.0 - 25.1.11 \u003e=25.1.12\ncom.vaadin:vaadin-charts-flow 25.2.0 - 25.2.6 \u003e=25.2.7\n\nnpm packages\nnpm package Vulnerable versions Fixed version\n@vaadin/charts 23.0.0 - 23.6.4 \u003e=23.6.5\n@vaadin/charts 24.0.0 - 24.9.17 \u003e=24.9.18\n@vaadin/charts 24.10.0 - 24.10.4 \u003e=24.10.5\n@vaadin/charts 25.0.0 - 25.1.11 \u003e=25.1.12\n@vaadin/charts 25.2.0 - 25.2.8 \u003e=25.2.9\n@vaadin/component-base 24.7.0 - 24.9.17 \u003e=24.9.18\n@vaadin/component-base 24.10.0 - 24.10.4 \u003e=24.10.5\n@vaadin/component-base 25.0.0 - 25.1.11 \u003e=25.1.12\n@vaadin/component-base 25.2.0 - 25.2.8 \u003e=25.2.9",
"id": "GHSA-48v4-h5mw-72ww",
"modified": "2026-09-30T15:31:33Z",
"published": "2026-09-30T15:31:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91860"
},
{
"type": "WEB",
"url": "https://github.com/vaadin/web-components/pull/12483"
},
{
"type": "WEB",
"url": "https://github.com/vaadin/web-components/pull/12492"
},
{
"type": "WEB",
"url": "https://github.com/vaadin/web-components/pull/12493"
},
{
"type": "WEB",
"url": "https://github.com/vaadin/web-components/pull/12494"
},
{
"type": "WEB",
"url": "https://github.com/vaadin/web-components/pull/12496"
},
{
"type": "WEB",
"url": "https://github.com/vaadin/web-components/pull/12559"
},
{
"type": "WEB",
"url": "https://vaadin.com/security/cve-2026-91860"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.