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CVE-2026-41161

Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.2.0, the /api/auth/login endpoint contains a logic flaw that allows unauthenticated remote attackers to enumerate valid usernames by measuring the application's response time. This issue has been patched in version 2.2.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2365b2ab4b03b0a8f6652a808c953fa02452a213a1dcc6347d6f8ccbcecebb02
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"server","vendor":"Sync-in","versions":[{"status":"affected","version":"< 2.2.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a2cdabe2f3dd739d45ea821b3f9e4fe033e0b045ad44e90cc743408bd1de0924 · sha256:d24ed96891e31416… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a2cdabe2f3dd739d45ea821b3f9e4fe033e0b045ad44e90cc743408bd1de0924 · sha256:d24ed96891e31416… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-208","description":"CWE-208: Observable Timing Discrepancy","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a2cdabe2f3dd739d45ea821b3f9e4fe033e0b045ad44e90cc743408bd1de0924 · sha256:d24ed96891e31416… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/Sync-in/server/releases/tag/v2.2.0","tags":["x_refsource_MISC"],"url":"https://github.com/Sync-in/server/releases/tag/v2.2.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2cdabe2f3dd739d45ea821b3f9e4fe033e0b045ad44e90cc743408bd1de0924 · sha256:d24ed96891e31416… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/Sync-in/server/security/advisories/GHSA-43fj-qp3h-hrh5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2cdabe2f3dd739d45ea821b3f9e4fe033e0b045ad44e90cc743408bd1de0924 · sha256:d24ed96891e31416… · /containers/adp/0/references/0
{"name":"https://github.com/Sync-in/server/security/advisories/GHSA-43fj-qp3h-hrh5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Sync-in/server/security/advisories/GHSA-43fj-qp3h-hrh5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2cdabe2f3dd739d45ea821b3f9e4fe033e0b045ad44e90cc743408bd1de0924 · sha256:d24ed96891e31416… · /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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