CVE Explorer

CVE-2026-40295

Devise is an authentication solution for Rails based on Warden. In versions 5.0.3 and below, when the Timeoutable module is enabled in Devise, the FailureApp#redirect_url method returns request.referrer — the HTTP Referer header, which is attacker-controllable — without validation for any non-GET request that results in a session timeout. An attacker who hosts a page with an auto-submitting cross-origin form can cause a victim with an expired Devise session to be redirected to an arbitrary exter

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6f29035028e12ba015ddc0c2c41e9cfeff4c15c65023b48355351db42f264bb6

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"devise","vendor":"heartcombo","versions":[{"status":"affected","version":"< 5.0.4"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:28fb48b06e8ac92a2d4cc108c50bf164e3cffa2bbb5a4202b954624af88c4eb5 · sha256:9bef39e89382ecc1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:28fb48b06e8ac92a2d4cc108c50bf164e3cffa2bbb5a4202b954624af88c4eb5 · sha256:9bef39e89382ecc1… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:28fb48b06e8ac92a2d4cc108c50bf164e3cffa2bbb5a4202b954624af88c4eb5 · sha256:9bef39e89382ecc1… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/heartcombo/devise/commit/025fe2124f9928766fc46520e999633b598d0360","tags":["x_refsource_MISC"],"url":"https://github.com/heartcombo/devise/commit/025fe2124f9928766fc46520e999633b598d0360"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:28fb48b06e8ac92a2d4cc108c50bf164e3cffa2bbb5a4202b954624af88c4eb5 · sha256:9bef39e89382ecc1… · /containers/cna/references/1

{"name":"https://github.com/heartcombo/devise/security/advisories/GHSA-jp94-3292-c3xv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/heartcombo/devise/security/advisories/GHSA-jp94-3292-c3xv"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:28fb48b06e8ac92a2d4cc108c50bf164e3cffa2bbb5a4202b954624af88c4eb5 · sha256:9bef39e89382ecc1… · /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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