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CVE-2026-40594

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev98, the set_session_cookie_secure before_request handler in src/pyload/webui/app/__init__.py reads the X-Forwarded-Proto header from any HTTP request without validating that the request originates from a trusted proxy, then mutates the global Flask configuration SESSION_COOKIE_SECURE on every request. Because pyLoad uses the multi-threaded Cheroot WSGI server (request_queue_size=512), this creates a race con
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a6ec7c0cee36d8c88a1ff3b8fd5c3ca429ccea5c72fc651f2cface786a04befc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"pyload","vendor":"pyload","versions":[{"status":"affected","version":"< 0.5.0b3.dev98"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2da205a1c16f6cae4392dc951db73103295f0f7d550483933d143efd774a4165 · sha256:6a1419a59a92e92b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2da205a1c16f6cae4392dc951db73103295f0f7d550483933d143efd774a4165 · sha256:6a1419a59a92e92b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2da205a1c16f6cae4392dc951db73103295f0f7d550483933d143efd774a4165 · sha256:6a1419a59a92e92b… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/pyload/pyload/security/advisories/GHSA-mp82-fmj6-f22v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pyload/pyload/security/advisories/GHSA-mp82-fmj6-f22v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2da205a1c16f6cae4392dc951db73103295f0f7d550483933d143efd774a4165 · sha256:6a1419a59a92e92b… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/pyload/pyload/security/advisories/GHSA-mp82-fmj6-f22v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2da205a1c16f6cae4392dc951db73103295f0f7d550483933d143efd774a4165 · sha256:6a1419a59a92e92b… · /containers/adp/0/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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