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Vulnerability details: VCID-kar5-6zet-aqad
Vulnerability ID VCID-kar5-6zet-aqad
Aliases CVE-2026-39381
GHSA-g4v2-qx3q-4p64
Summary Parse Server's Endpoint `/sessions/me` bypasses `_Session` `protectedFields` ### Impact The `GET /sessions/me` endpoint returns `_Session` fields that the server operator explicitly configured as protected via the `protectedFields` server option. Any authenticated user can retrieve their own session's protected fields with a single request. The equivalent `GET /sessions` and `GET /sessions/:objectId` endpoints correctly strip protected fields. ### Patches The `GET /sessions/me` handler now re-fetches the session with the caller's auth context after validating the session token, ensuring `protectedFields` and CLP apply consistently with other session endpoints. ### Workarounds None. ### References - GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64 - Fix Parse Server 9: https://github.com/parse-community/parse-server/pull/10406 - Fix Parse Server 8: https://github.com/parse-community/parse-server/pull/10407
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-863 Incorrect Authorization
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00028 https://api.first.org/data/v1/epss?cve=CVE-2026-39381
epss 0.00028 https://api.first.org/data/v1/epss?cve=CVE-2026-39381
epss 0.00028 https://api.first.org/data/v1/epss?cve=CVE-2026-39381
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-g4v2-qx3q-4p64
cvssv3.1 4.3 https://github.com/parse-community/parse-server
cvssv4 5.3 https://github.com/parse-community/parse-server
generic_textual MODERATE https://github.com/parse-community/parse-server
cvssv3.1 4.3 https://github.com/parse-community/parse-server/pull/10406
cvssv4 5.3 https://github.com/parse-community/parse-server/pull/10406
generic_textual MODERATE https://github.com/parse-community/parse-server/pull/10406
ssvc Track https://github.com/parse-community/parse-server/pull/10406
cvssv3.1 4.3 https://github.com/parse-community/parse-server/pull/10407
cvssv4 5.3 https://github.com/parse-community/parse-server/pull/10407
generic_textual MODERATE https://github.com/parse-community/parse-server/pull/10407
ssvc Track https://github.com/parse-community/parse-server/pull/10407
cvssv3.1 4.3 https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
cvssv3.1_qr MODERATE https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
cvssv4 5.3 https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
generic_textual MODERATE https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
ssvc Track https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2026-39381
cvssv4 5.3 https://nvd.nist.gov/vuln/detail/CVE-2026-39381
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-39381
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-39381
https://github.com/parse-community/parse-server
https://github.com/parse-community/parse-server/pull/10406
https://github.com/parse-community/parse-server/pull/10407
https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
https://nvd.nist.gov/vuln/detail/CVE-2026-39381
GHSA-g4v2-qx3q-4p64 https://github.com/advisories/GHSA-g4v2-qx3q-4p64
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/parse-community/parse-server
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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unchanged

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Vector: 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 Found at https://github.com/parse-community/parse-server
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/parse-community/parse-server/pull/10406
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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unchanged

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Vector: 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 Found at https://github.com/parse-community/parse-server/pull/10406
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

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present

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-07T20:23:25Z/ Found at https://github.com/parse-community/parse-server/pull/10406
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/parse-community/parse-server/pull/10407
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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required

unchanged

changed

high

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none

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Vector: 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 Found at https://github.com/parse-community/parse-server/pull/10407
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

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passive

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-07T20:23:25Z/ Found at https://github.com/parse-community/parse-server/pull/10407
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

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Vector: 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 Found at https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

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low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-07T20:23:25Z/ Found at https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-39381
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

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Vector: 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 Found at https://nvd.nist.gov/vuln/detail/CVE-2026-39381
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

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none

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Exploit Prediction Scoring System (EPSS)
Percentile 0.08551
EPSS Score 0.00028
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:53:12.921430+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-g4v2-qx3q-4p64/GHSA-g4v2-qx3q-4p64.json 38.6.0