GHSA-rf6f-7fwh-wjghPublished

flatted: Prototype Pollution via parse()

cve-program · CVE-2026-33228

Published

flatted

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "WebReflection",
                    "product": "flatted",
                    "versions": [
                        {
                            "version": "< 3.4.2",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-13881

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Mar 20, 2026, 11:06:48 PM

dateUpdated: Sep 7, 2026, 12:05:12 PM

5 related source bulletins · separate from aliases

msrc_CVE-2026-33228: flatted: Prototype Pollution via parse()

CVE-2026-33228

RHSA-2026:86618: Red Hat Security Advisory: New container image: rhceph-9.2

CVE-2023-46159 · CVE-2024-47866 · CVE-2024-48916 · CVE-2024-55565 · CVE-2025-12816 · CVE-2025-15599 · CVE-2025-26791 · CVE-2025-30156 · CVE-2025-50181 · CVE-2025-50182 · CVE-2025-58754 · CVE-2025-59343 · CVE-2025-62718 · CVE-2025-66030 · CVE-2025-66035 · CVE-2025-66412 · CVE-2025-69873 · CVE-2026-0540 · CVE-2026-21441 · CVE-2026-22610 · CVE-2026-25639 · CVE-2026-26996 · CVE-2026-27903 · CVE-2026-27904 · CVE-2026-27970 · CVE-2026-32141 · CVE-2026-33228 · CVE-2026-33671 · CVE-2026-33672 · CVE-2026-33891 · CVE-2026-33894 · CVE-2026-33895 · CVE-2026-33896 · CVE-2026-39865 · CVE-2026-40175 · CVE-2026-40895 · CVE-2026-41238 · CVE-2026-41239 · CVE-2026-41240 · CVE-2026-41305 · CVE-2026-42033 · CVE-2026-42034 · CVE-2026-42035 · CVE-2026-42036 · CVE-2026-42037 · CVE-2026-42038 · CVE-2026-42039 · CVE-2026-42040 · CVE-2026-42041 · CVE-2026-42042 · CVE-2026-42043 · CVE-2026-42044 · CVE-2026-50152 · CVE-2026-58224

RHSA-2026:9742: Red Hat Security Advisory: Red Hat Developer Hub 1.8.6 release.

CVE-2025-62718 · CVE-2025-69534 · CVE-2025-69873 · CVE-2026-1525 · CVE-2026-1526 · CVE-2026-1528 · CVE-2026-2229 · CVE-2026-3118 · CVE-2026-4800 · CVE-2026-4926 · CVE-2026-25679 · CVE-2026-26996 · CVE-2026-27601 · CVE-2026-27904 · CVE-2026-29063 · CVE-2026-29074 · CVE-2026-29186 · CVE-2026-32141 · CVE-2026-33036 · CVE-2026-33228 · CVE-2026-33891 · CVE-2026-33894 · CVE-2026-33895 · CVE-2026-33896 · CVE-2026-39983 · CVE-2026-40175

RHSA-2026:34342: Red Hat Security Advisory: Cluster Observability Operator 1.5.0

CVE-2020-7753 · CVE-2021-33623 · CVE-2024-4068 · CVE-2024-45338 · CVE-2024-52011 · CVE-2025-22868 · CVE-2025-22870 · CVE-2025-22872 · CVE-2025-47911 · CVE-2025-58190 · CVE-2026-1526 · CVE-2026-1528 · CVE-2026-2229 · CVE-2026-4800 · CVE-2026-4867 · CVE-2026-6321 · CVE-2026-6322 · CVE-2026-6734 · CVE-2026-9277 · CVE-2026-9697 · CVE-2026-12143 · CVE-2026-12151 · CVE-2026-25680 · CVE-2026-25681 · CVE-2026-29063 · CVE-2026-32141 · CVE-2026-33228 · CVE-2026-33671 · CVE-2026-33814 · CVE-2026-33891 · CVE-2026-33894 · CVE-2026-33895 · CVE-2026-33896 · CVE-2026-33937 · CVE-2026-33938 · CVE-2026-33939 · CVE-2026-33940 · CVE-2026-33941 · CVE-2026-39821 · CVE-2026-42506 · CVE-2026-48779

RHSA-2026:13826: Red Hat Security Advisory: Red Hat Developer Hub 1.9.4 release.

CVE-2025-62718 · CVE-2025-69534 · CVE-2026-1525 · CVE-2026-1526 · CVE-2026-1528 · CVE-2026-2229 · CVE-2026-3118 · CVE-2026-4800 · CVE-2026-4926 · CVE-2026-27601 · CVE-2026-27904 · CVE-2026-29063 · CVE-2026-29074 · CVE-2026-29186 · CVE-2026-32141 · CVE-2026-32280 · CVE-2026-32282 · CVE-2026-33228 · CVE-2026-33891 · CVE-2026-33894 · CVE-2026-33895 · CVE-2026-33896 · CVE-2026-39983 · CVE-2026-40175 · CVE-2026-40895

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-33228

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Modified

Weakness classifications: CWE-1321 · CWE-915

Original publisher date fields

published: 2026-03-20T23:16:46.510

lastModified: 2026-09-04T13:18:55.120

1 source CPE criteria · context only

cpe:2.3:a:webreflection:flatted:*:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-rf6f-7fwh-wjgh

Published

flatted

npm

SEMVER · introduced 0 → fixed 3.4.2

Original source record · Cite this exact observation · Complete original publisher JSON