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CVE-2026-42259

Saltcorn is an extensible, open source, no-code database application builder. Prior to versions 1.4.6, 1.5.6, and 1.6.0-beta.5, Saltcorn validates the post-login dest parameter with a string check that only blocks :/ and //. Because all WHATWG-compliant browsers normalise backslashes (\) to forward slashes (/) for special schemes, a payload such as /\evil.com/path slips through is_relative_url(), is emitted unchanged in the HTTP Location header, and causes the browser to navigate cross-origin to
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:aa05d0d6d200857b88d2bb4f48059d350483650b98af762577011a9279a61f4f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"saltcorn","vendor":"saltcorn","versions":[{"status":"affected","version":"< 1.4.6"},{"status":"affected","version":">= 1.5.0-beta.0, < 1.5.6"},{"status":"affected","version":">= 1.6.0-alpha.0, < 1.6.0-beta.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c23f206a8a58c2b887c9f710d39e3de8b92a7846894f49f057070e8b7d70f9ca · sha256:0d5c1d0db2447a10… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c23f206a8a58c2b887c9f710d39e3de8b92a7846894f49f057070e8b7d70f9ca · sha256:0d5c1d0db2447a10… · /containers/cna/metrics/0/cvssV4_0

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:c23f206a8a58c2b887c9f710d39e3de8b92a7846894f49f057070e8b7d70f9ca · sha256:0d5c1d0db2447a10… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/saltcorn/saltcorn/security/advisories/GHSA-f3g8-9xv5-77gv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/saltcorn/saltcorn/security/advisories/GHSA-f3g8-9xv5-77gv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c23f206a8a58c2b887c9f710d39e3de8b92a7846894f49f057070e8b7d70f9ca · sha256:0d5c1d0db2447a10… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/saltcorn/saltcorn/security/advisories/GHSA-f3g8-9xv5-77gv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c23f206a8a58c2b887c9f710d39e3de8b92a7846894f49f057070e8b7d70f9ca · sha256:0d5c1d0db2447a10… · /containers/adp/0/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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