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CVE-2026-24471

continuwuity is a Matrix homeserver written in Rust. This vulnerability allows an attacker with a malicious remote server to cause the local server to sign an arbitrary event upon user interaction. Upon a user account leaving a room (rejecting an invite), joining a room or knocking on a room, the victim server may ask a remote server for assistance. If the victim asks the attacker server for assistance the attacker is able to provide an arbitrary event, which the victim will sign and return to t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0294191018306fe3aebfd85d10aa9a1c0fbd71631f654a116632391abdec7b68
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"continuwuity","vendor":"continuwuity","versions":[{"status":"affected","version":"< 0.5.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e47de2445ac4e5cd662f5bc412d66f910b40fe8827f08f3016e04d6eb59ce8c4 · sha256:913827816ee8149b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e47de2445ac4e5cd662f5bc412d66f910b40fe8827f08f3016e04d6eb59ce8c4 · sha256:913827816ee8149b… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-441","description":"CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e47de2445ac4e5cd662f5bc412d66f910b40fe8827f08f3016e04d6eb59ce8c4 · sha256:913827816ee8149b… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://forgejo.ellis.link/continuwuation/continuwuity/commit/12aecf809172205436c852a1eaf268c1a2c3a900","tags":["x_refsource_MISC"],"url":"https://forgejo.ellis.link/continuwuation/continuwuity/commit/12aecf809172205436c852a1eaf268c1a2c3a900"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e47de2445ac4e5cd662f5bc412d66f910b40fe8827f08f3016e04d6eb59ce8c4 · sha256:913827816ee8149b… · /containers/cna/references/1
{"name":"https://github.com/continuwuity/continuwuity/security/advisories/GHSA-m5p2-vccg-8c9v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/continuwuity/continuwuity/security/advisories/GHSA-m5p2-vccg-8c9v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e47de2445ac4e5cd662f5bc412d66f910b40fe8827f08f3016e04d6eb59ce8c4 · sha256:913827816ee8149b… · /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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