CVE & CISA-KEV Catalog

CVE-2026-29185

LOW
2.7
CVSS v3
NVD

Description

Backstage is an open framework for building developer portals. Prior to version 1.20.1, a vulnerability in the SCM URL parsing used by Backstage integrations allowed path traversal sequences in encoded form to be included in file paths. When these URLs were processed by integration functions that construct API URLs, the traversal segments could redirect requests to unintended SCM provider API endpoints using the configured server-side integration credentials. This issue has been patched in version 1.20.1.

How to fix

Remediation Available
\@backstage\/integrationNVD
Affected:< 1.20.1Fixed in:1.20.1CVE-2026-29185derived from NVD
backstage\/integrationNVD
Affected:< 1.20.1Fixed in:1.20.1CVE-2026-29185derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.35%probability of exploitation in 30 days
27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-23897Critical9.8100%KEV + RansomFix
CVE-2023-32315High8.6100%KEVFix
CVE-2022-29464Critical9.8100%KEV + Ransom-
CVE-2021-26086Medium5.3100%KEVFix
CVE-2021-22005Critical9.8100%KEV + RansomFix
CVE-2020-5902Critical9.8100%KEV + RansomFix
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-25.