CVE Explorer

CVE-2026-29185

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 versi

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6eb7b0f4c16f644ec98f5bfdede05e1d5df9dccbf4426421cda65e3f6ba31f5a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"backstage","vendor":"backstage","versions":[{"status":"affected","version":"< 1.20.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3ab90243cb4d097fd83acd177407e365d74b9c64f80d156979ff94ca465f5b17 · sha256:ab831bd522906750… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":2.7,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3ab90243cb4d097fd83acd177407e365d74b9c64f80d156979ff94ca465f5b17 · sha256:ab831bd522906750… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:3ab90243cb4d097fd83acd177407e365d74b9c64f80d156979ff94ca465f5b17 · sha256:ab831bd522906750… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/backstage/backstage/security/advisories/GHSA-95v5-prp4-5gv5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/backstage/backstage/security/advisories/GHSA-95v5-prp4-5gv5"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3ab90243cb4d097fd83acd177407e365d74b9c64f80d156979ff94ca465f5b17 · sha256:ab831bd522906750… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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