Medium
Prototype pollution in @backstage/plugin-catalog-backend
Type: advisorySources: OSV
Backstage is an open framework for building developer portals. A malicious actor with authenticated access to a Backstage instance with the catalog backend plugin installed is able to interrupt the service using a specially crafted query to the catalog API. This has been fixed in the `1.26.0` release of the `@backstage/plugin-catalog-backend`. All users are advised to upgrade. There are no known workarounds for this vulnerability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-45815
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 15:39 UTC · Revision 1
Source evidence
Prototype pollution in @backstage/plugin-catalog-backend
core-osv · Original sourcePublished 17 Sept 2024, 20:14 UTC
Backstage is an open framework for building developer portals. A malicious actor with authenticated access to a Backstage instance with the catalog backend plugin installed is able to interrupt the service using a specially crafted query to the catalog API. This has been fixed in the `1.26.0` release of the `@backstage/plugin-catalog-backend`. All users are advised to upgrade. There are no known workarounds for this vulnerability.
osv:CVE-2024-45815
Complete source record
{
"id": "0d657ab121abbf72d8e1ebae7104d7c61aaba8eedbe5530fbd2d55a124a8048e",
"url": "https://osv.dev/vulnerability/CVE-2024-45815",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Prototype pollution in @backstage/plugin-catalog-backend",
"summary": "Backstage is an open framework for building developer portals. A malicious actor with authenticated access to a Backstage instance with the catalog backend plugin installed is able to interrupt the service using a specially crafted query to the catalog API. This has been fixed in the `1.26.0` release of the `@backstage/plugin-catalog-backend`. All users are advised to upgrade. There are no known workarounds for this vulnerability.",
"evidence": "osv:CVE-2024-45815",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-45815",
"aliases": [
"CVE-2024-45815",
"GHSA-3x3f-jcp3-g22j"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/backstage/backstage",
"type": "GIT",
"events": [
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},
{
"fixed": "fec7c1d04ab5f897cf8c21acd9a0ec366b1a8db3"
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"database_specific": {
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{
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"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
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{
"cpe": "cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*",
"range": [
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"database_specific": {
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}
}
],
"modified": "2026-10-28T02:30:36.930475239Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45815.json",
"https://github.com/backstage/backstage/security/advisories/GHSA-3x3f-jcp3-g22j",
"https://nvd.nist.gov/vuln/detail/CVE-2024-45815"
],
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],
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45815.json"
}
},
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{
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"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 504204,
"published_at": "2024-09-17T20:14:31.104+00:00"
}