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CVE-2026-33527

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.57 and 9.6.0-alpha.48, an authenticated user can overwrite server-generated session fields such as expiresAt and createdWith when updating their own session via the REST API. This allows bypassing the server's configured session lifetime policy, making a session effectively permanent. This issue has been patched in versions 8.6.57 and 9.6.0-alpha.48.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7a5db0271c3931b4d94f95e70e9958044b38cc0c39596fb9cba774030bfc0558
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"parse-server","vendor":"parse-community","versions":[{"status":"affected","version":"< 8.6.57"},{"status":"affected","version":">= 9.0.0, < 9.6.0-alpha.48"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /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:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/parse-community/parse-server/commit/26b628c8fb3cc79ea955374769eebcff6f8a8a73","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/26b628c8fb3cc79ea955374769eebcff6f8a8a73"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /containers/cna/references/3
{"name":"https://github.com/parse-community/parse-server/commit/ea68fc0b22a6056c9675149469ff57817f7cf984","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/ea68fc0b22a6056c9675149469ff57817f7cf984"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /containers/cna/references/4
{"name":"https://github.com/parse-community/parse-server/pull/10263","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10263"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /containers/cna/references/1
{"name":"https://github.com/parse-community/parse-server/pull/10264","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10264"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /containers/cna/references/2
{"name":"https://github.com/parse-community/parse-server/security/advisories/GHSA-jc39-686j-wp6q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-jc39-686j-wp6q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cab3c487deb29a5b490cb731bacb8e3e10c2ff71c97438e553d0c7e5eb9b4af · sha256:e9a8f635f22118d8… · /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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