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CVE-2026-63306

stoatchat before 0.13.5 contains an unauthenticated server-side request forgery vulnerability in the /proxy and /embed endpoints that accept arbitrary URLs without DNS resolution filtering or private IP range validation. Attackers can enumerate internal services, fingerprint applications, and reach instance metadata endpoints by supplying malicious URLs or leveraging redirect chains to access internal infrastructure.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:48ce038b5ded09545dde0b86e024d2b2b1ff7ee501926f6293604e04b7814f8a
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","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:cargo/revolt-january","product":"stoatchat","vendor":"stoatchat","versions":[{"lessThan":"0.13.5","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"0.13.5","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"GitHub Security Advisory (GHSA-xhww-5g9p-vvq5)","tags":["vendor-advisory"],"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-xhww-5g9p-vvq5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-xhww-5g9p-vvq5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/adp/0/references/0
{"name":"VulnCheck Advisory: stoatchat before 0.13.5 Unauthenticated SSRF via proxy and embed endpoints","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/stoatchat-before-unauthenticated-ssrf-via-proxy-and-embed-endpoints"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f49d1997211c3de207cf6c025f8131ffc862f0404494799c272a794432306ca7 · sha256:f31480e28f4f4b75… · /containers/cna/references/1

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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