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CVE-2026-53536

Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /v1/step-files/signed download endpoint verified the supplied JWT against the shared signing secret but did not check the token's audience, and combined with a missing null-check on the decoded fileId, this allowed any caller holding any valid Activepieces JWT (including a freshly created user's own access token) to receive a step-file belonging to another tenant. The file returned was whatever PostgreSQL happen
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bb2bd40c53f70779bd267887e31ba9ce2d2ab219524ab7307e05b84ceaf6646a
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-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"activepieces","vendor":"activepieces","versions":[{"status":"affected","version":"< 0.83.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/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:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/activepieces/activepieces/commit/2cb6148010a6c2a22900f4c8b08d75cc5c921d1c","tags":["x_refsource_MISC"],"url":"https://github.com/activepieces/activepieces/commit/2cb6148010a6c2a22900f4c8b08d75cc5c921d1c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/references/1
{"name":"https://github.com/activepieces/activepieces/commit/afe852f60e39fcc6273d41e11f0765586b5a0e49","tags":["x_refsource_MISC"],"url":"https://github.com/activepieces/activepieces/commit/afe852f60e39fcc6273d41e11f0765586b5a0e49"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/references/2
{"name":"https://github.com/activepieces/activepieces/releases/tag/0.83.0","tags":["x_refsource_MISC"],"url":"https://github.com/activepieces/activepieces/releases/tag/0.83.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /containers/cna/references/3
{"name":"https://github.com/activepieces/activepieces/security/advisories/GHSA-9723-fmff-mc24","tags":["x_refsource_CONFIRM"],"url":"https://github.com/activepieces/activepieces/security/advisories/GHSA-9723-fmff-mc24"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7a2588645c2f4171aae0b7d44e3c9fab508911128a020acf3c9a360b3bcd5a2 · sha256:f85ce2ff07a3ca80… · /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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