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CVE-2026-53640

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, low-privileged staff accounts may read sensitive data via admin API endpoints that lack permission checks. While sibling write endpoints correctly enforce fine-grained permissions, the corresponding read endpoints have no authorization guards. Version 0.8.0 contains a fix. Some workarounds are available. Restrict staff accounts to only those who need access to sensitive data and/or use a reverse prox
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5bfacafeef2531c41af1ade5488d8f42684dcaa9ae9dce4f0c722ccfe841dd1b
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-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c7f3f8681f9eb7308633ec844146aa2adddd53b660a0bb7e8b6b12675ee31cb3 · sha256:9e079cb34cbb631e… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c7f3f8681f9eb7308633ec844146aa2adddd53b660a0bb7e8b6b12675ee31cb3 · sha256:9e079cb34cbb631e… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"FOSSBilling","vendor":"FOSSBilling","versions":[{"status":"affected","version":"< 0.8.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7f3f8681f9eb7308633ec844146aa2adddd53b660a0bb7e8b6b12675ee31cb3 · sha256:9e079cb34cbb631e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c7f3f8681f9eb7308633ec844146aa2adddd53b660a0bb7e8b6b12675ee31cb3 · sha256:9e079cb34cbb631e… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c7f3f8681f9eb7308633ec844146aa2adddd53b660a0bb7e8b6b12675ee31cb3 · sha256:9e079cb34cbb631e… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c7f3f8681f9eb7308633ec844146aa2adddd53b660a0bb7e8b6b12675ee31cb3 · sha256:9e079cb34cbb631e… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/FOSSBilling/FOSSBilling/security/advisories/GHSA-jqw4-3hj3-8m4f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/FOSSBilling/FOSSBilling/security/advisories/GHSA-jqw4-3hj3-8m4f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c7f3f8681f9eb7308633ec844146aa2adddd53b660a0bb7e8b6b12675ee31cb3 · sha256:9e079cb34cbb631e… · /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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