How severe is CVE-2024-45815?

CVE-2024-45815 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-45815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-45815?

CVE-2024-45815 affects Linuxfoundation Backstage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-45815?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-45815 have an EU (EUVD) identifier?

Yes. CVE-2024-45815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2705.

When was CVE-2024-45815 published?

CVE-2024-45815 was published on 2024-09-17 and last updated on 2026-06-17.

CVE-2024-45815

CVE-2024-45815 is a medium-severity vulnerability in Linuxfoundation Backstage with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2705
Weakness: CWE-1321
Affected product: Linuxfoundation Backstage
Published: 2024-09-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-45815?: 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.
How severe is CVE-2024-45815?: CVE-2024-45815 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-45815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-45815?: CVE-2024-45815 affects Linuxfoundation Backstage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-45815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-45815 have an EU (EUVD) identifier?: Yes. CVE-2024-45815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2705.
When was CVE-2024-45815 published?: CVE-2024-45815 was published on 2024-09-17 and last updated on 2026-06-17.

References

https://github.com/backstage/backstage/security/advisories/GHSA-3x3f-jcp3-g22j

Affected products (1)

cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*

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