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CVE-2026-45695

Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists and forwards attacker-supplied SFTP storage configuration to blob.NewStorage, where externalSSH: true and sshArguments containing -oProxyCommand=<cmd> can cause exec.CommandContext("ssh") to invoke the co
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:de4431d76cfcaf84c1cd5da6e762509efe12b03a00f08b2257ff5a543e672bd1
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-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"kopia","vendor":"kopia","versions":[{"status":"affected","version":"< 0.23.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/kopia/kopia/commit/c26c6a1b9734c5089217986ffa5cd19f8a6b8900","tags":["x_refsource_MISC"],"url":"https://github.com/kopia/kopia/commit/c26c6a1b9734c5089217986ffa5cd19f8a6b8900"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/references/2
{"name":"https://github.com/kopia/kopia/pull/5354","tags":["x_refsource_MISC"],"url":"https://github.com/kopia/kopia/pull/5354"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/references/1
{"name":"https://github.com/kopia/kopia/releases/tag/v0.23.0","tags":["x_refsource_MISC"],"url":"https://github.com/kopia/kopia/releases/tag/v0.23.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /containers/cna/references/3
{"name":"https://github.com/kopia/kopia/security/advisories/GHSA-2q4c-3mrw-63c3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kopia/kopia/security/advisories/GHSA-2q4c-3mrw-63c3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:025d0596fbcb60cfaa557d27df70e0079dc0cb8929f0e5d3196767ab20da89ee · sha256:63ebe0b9c16d2c93… · /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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