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CVE-2026-20779

Gitea versions from 1.5.0 before 1.26.3 have a TOTP single-use enforcement defect that allows a valid TOTP code to be accepted more than once across web two-factor authentication flows and the Basic Auth X-Gitea-OTP path.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1df145e7cc499c9495c714facc0baf3531520fa0d7a38f1706d39c52984512a5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Gitea Open Source Git Server","vendor":"Gitea","versions":[{"lessThan":"1.26.3","status":"affected","version":"1.5.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-294","description":"CWE-294","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"Gitea v1.26.4 Release Blog Post","tags":["release-notes"],"url":"https://blog.gitea.com/release-of-1.26.3-and-1.26.4/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /containers/cna/references/3
{"name":"GitHub Pull Request #38151","tags":["patch"],"url":"https://github.com/go-gitea/gitea/pull/38151"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /containers/cna/references/1
{"name":"Gitea v1.26.3 Release","tags":["release-notes"],"url":"https://github.com/go-gitea/gitea/releases/tag/v1.26.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /containers/cna/references/2
{"name":"GitHub Security Advisory","tags":["vendor-advisory"],"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af24defa636ea322b5c45ea33cde733381879c195ea252ac95b16dae99e8c5b1 · sha256:668cb2fcf06576ca… · /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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