Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-57862

Kanboard 1.2.52 and prior contains a server-side request forgery vulnerability that allows authenticated users to bypass SSRF protections by supplying hexadecimal IP address notation in user-controlled URLs. Attackers can submit hexadecimal-encoded internal IP addresses through the web link creation feature, causing cURL to resolve and connect to internal network resources such as cloud instance metadata services, localhost services, and RFC1918 addresses while the isPrivateURL() filter in app/C
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c026ae1119e64c796bf161c1285af17f18efe572a979454337ae9b1416db3975
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":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.4,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HI…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Kanboard","vendor":"Kanboard","versions":[{"lessThanOrEqual":"1.2.52","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.4,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HI…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /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:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"GitHub Gist","tags":["technical-description"],"url":"https://gist.github.com/sermikr0/67c8acfc395e465127e729dc309da3ae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://gist.github.com/sermikr0/67c8acfc395e465127e729dc309da3ae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/adp/0/references/0
{"name":"Product Repository","tags":["product"],"url":"https://github.com/kanboard/kanboard"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/kanboard-and-prior-ssrf-filter-bypass-via-hexadecimal-ip-notation"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f90cab5a1766aee4c4c9f0210ef9c88fafdb4fd6a9ad415209040e6b138cea54 · sha256:9cf996278f0a60f1… · /containers/cna/references/2

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.

← Back to CVE Explorer