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CVE-2026-58578

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service (ReDoS) vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craft a malicious basePath value containing unescaped regex metacharacters such as catastrophic-backtracking patterns, which are injected into a dynamically constructed regular expression in the findSkillM
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9ba14a2740733a4daf2efd7116e6b92ecef8877d97e3025d9044176e9fe8a234
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","packageURL":"pkg:github/lobehub/lobehub","product":"lobehub","repo":"https://github.com/lobehub/lobehub","vendor":"lobehub","versions":[{"lessThan":"2.2.10-canary.15","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-1333","description":"Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"Fix Commit","tags":["patch"],"url":"https://github.com/lobehub/lobehub/commit/349bbe326eb8635d6d9c6a96d12702681ae3a84a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/references/3
{"name":"Researcher Disclosure","tags":["exploit","technical-description"],"url":"https://github.com/lobehub/lobehub/issues/16494"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/references/1
{"name":"Fix PR","tags":["issue-tracking"],"url":"https://github.com/lobehub/lobehub/pull/16548"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/references/2
{"name":"Release Notes","tags":["release-notes"],"url":"https://github.com/lobehub/lobehub/releases/tag/v2.2.10-canary.15"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/lobechat-canary-15-regular-expression-denial-of-service-in-github-skill-import"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7bdcdaacff7ae3014432efd3d3544d5446e2ad4436af0ac644bfb15247f47289 · sha256:743d5640c7c4c8e9… · /containers/cna/references/4

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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