How severe is CVE-2024-26150?

CVE-2024-26150 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-26150 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-26150?

CVE-2024-26150 primarily affects Linuxfoundation Backstage Backend-common. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-26150?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-26150 have an EU (EUVD) identifier?

Yes. CVE-2024-26150 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0471.

When was CVE-2024-26150 published?

CVE-2024-26150 was published on 2024-02-23 and last updated on 2026-06-17.

CVE-2024-26150

CVE-2024-26150 is a high-severity vulnerability in Linuxfoundation Backstage Backend-common with a CVSS 3.x base score of 8.7. 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0471
Weakness: CWE-22
Affected product: Linuxfoundation Backstage Backend-common
Published: 2024-02-23
Last modified: 2026-06-17

Description

`@backstage/backend-common` is a common functionality library for backends for Backstage, an open platform for building developer portals. In `@backstage/backend-common` prior to versions 0.21.1, 0.20.2, and 0.19.10, paths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers. This issue is patched in `@backstage/backend-common` versions 0.21.1, 0.20.2, and 0.19.10.

Frequently asked questions

What is CVE-2024-26150?: `@backstage/backend-common` is a common functionality library for backends for Backstage, an open platform for building developer portals. In `@backstage/backend-common` prior to versions 0.21.1, 0.20.2, and 0.19.10, paths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers. This issue is patched in `@backstage/backend-common` versions 0.21.1, 0.20.2, and 0.19.10.
How severe is CVE-2024-26150?: CVE-2024-26150 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-26150 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-26150?: CVE-2024-26150 primarily affects Linuxfoundation Backstage Backend-common. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-26150?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-26150 have an EU (EUVD) identifier?: Yes. CVE-2024-26150 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0471.
When was CVE-2024-26150 published?: CVE-2024-26150 was published on 2024-02-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:linuxfoundation:backstage_backend-common:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage_backend-common:0.21.0:*:*:*:*:node.js:*:*

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