CVE Explorer
CVE-2026-55370
Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's existing TOTP verification accepted a successfully used TOTP code again while the code remained inside the RFC 6238 acceptance window because the verifier used otplib's stateless check with window = 1 and did not persist or compare the accepted TOTP time-step counter. An attacker who has the victim's first factor and captures a live TOTP value can replay that value to satisfy MFA during the same a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"logto","vendor":"logto-io","versions":[{"status":"affected","version":"< 1.41.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e741d538f0f2c5f50344ed3708fe69ce6878dfe04daf8526b206a94465139948 · sha256:7a784fa49002b7e4… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e741d538f0f2c5f50344ed3708fe69ce6878dfe04daf8526b206a94465139948 · sha256:7a784fa49002b7e4… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-294","description":"CWE-294: Authentication Bypass by Capture-replay","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:e741d538f0f2c5f50344ed3708fe69ce6878dfe04daf8526b206a94465139948 · sha256:7a784fa49002b7e4… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/logto-io/logto/commit/9118867f6cbadc7291cf913beb4fede91ed5d374","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/commit/9118867f6cbadc7291cf913beb4fede91ed5d374"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e741d538f0f2c5f50344ed3708fe69ce6878dfe04daf8526b206a94465139948 · sha256:7a784fa49002b7e4… · /containers/cna/references/2
{"name":"https://github.com/logto-io/logto/pull/9109","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/pull/9109"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e741d538f0f2c5f50344ed3708fe69ce6878dfe04daf8526b206a94465139948 · sha256:7a784fa49002b7e4… · /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_v5referenceurn:baitaphish:normalized-source-record:v2:e741d538f0f2c5f50344ed3708fe69ce6878dfe04daf8526b206a94465139948 · sha256:7a784fa49002b7e4… · /containers/cna/references/3
{"name":"https://github.com/logto-io/logto/security/advisories/GHSA-6wj7-c66m-6c82","tags":["x_refsource_CONFIRM"],"url":"https://github.com/logto-io/logto/security/advisories/GHSA-6wj7-c66m-6c82"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e741d538f0f2c5f50344ed3708fe69ce6878dfe04daf8526b206a94465139948 · sha256:7a784fa49002b7e4… · /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.