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CVE-2026-34784

27
FAUCET Score

CVE-2026-34784 is a high-severity vulnerability in Parse Server versions prior to 8.6.71 and 9.7.1-alpha.1, where HTTP Range requests can bypass the afterFind(Parse.File) trigger and its validators on streaming storage adapters, leading to unauthorized file downloads. With a CVSS score of 8.2, this flaw has a network attack vector and low complexity, allowing unauthenticated attackers to access protected files. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.6.71CPE matchmatch criteria
cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*
>= 9.0.0, < 9.7.1CPE matchmatch criteria
cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

8.2HIGH

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 10th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: parse-serverFixed in: 9.7.1-alpha.1
npmpatch availablevia ghsa
Product: parse-serverFixed in: 8.6.71

Vendor Advisories (1)

npmGHSA-hpm8-9qx6-jvwvhigh

Parser Server's streaming file download bypasses afterFind file trigger authorization

Apr 1, 2026

References

github.com / parse-community/parse-server/commit/053109b3ee71815bc39ed84116c108ff9edbf337
Patch
github.com / parse-community/parse-server/commit/a0b0c69fc44f87f80d793d257344e7dcbf676e22
Patch
github.com / parse-community/parse-server/pull/10361
Issue TrackingPatch
github.com / parse-community/parse-server/pull/10362
Issue TrackingPatch
github.com / parse-community/parse-server/security/advisories/GHSA-hpm8-9qx6-jvwv
MitigationVendor Advisory