Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-55789

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's self-hosted SAML application IdP built the signed SAML response and assertion by string-substituting user-controlled profile attributes such as name, email, and custom attribute-mapping values into element-text placeholders of a SAML XML template using samlify 2.10.0, which left those placeholders unescaped. An authenticated low-privilege user could place XML markup in a profile attribute so Logto
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:907dab4f6c59b2ed1c44c8652f9fc0db4a92f905bba68a46ac725c8434a12f82
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-1395","description":"CWE-1395: Dependency on Vulnerable Third-Party Component","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-91","description":"CWE-91: XML Injection (aka Blind XPath Injection)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"logto","vendor":"logto-io","versions":[{"status":"affected","version":"< 1.41.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-1395","description":"CWE-1395: Dependency on Vulnerable Third-Party Component","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-91","description":"CWE-91: XML Injection (aka Blind XPath Injection)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/logto-io/logto/commit/9097054860f0d638d90778d3dcde2ba050b844b6","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/commit/9097054860f0d638d90778d3dcde2ba050b844b6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/references/2
{"name":"https://github.com/logto-io/logto/pull/9107","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/pull/9107"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/references/1
{"name":"https://github.com/logto-io/logto/releases/tag/v1.41.0","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/releases/tag/v1.41.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/references/3
{"name":"https://github.com/logto-io/logto/security/advisories/GHSA-vfpw-vq44-4p63","tags":["x_refsource_CONFIRM"],"url":"https://github.com/logto-io/logto/security/advisories/GHSA-vfpw-vq44-4p63"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/logto-io/logto/security/advisories/GHSA-vfpw-vq44-4p63"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2795530a462e082f7449c2bf9d1a15cdec9527eab40490ac5587d92713e434 · sha256:14c67a7c7d9d1242… · /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.

← Back to CVE Explorer