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Fencer Intel
high 7.5

CVE-2026-93435 json

redis-parser through 3.0.0 Denial of Service via Unbounded Recursion

published last mo. modified last mo. also EUVD-2026-82533

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

redis-parser through 3.0.0 contains a denial of service vulnerability in the RESP protocol parser that allows malicious Redis endpoints to crash the client process through unbounded recursion on nested arrays. Attackers can send crafted RESP byte streams with repeated array headers that exhaust the V8 call stack, causing an uncaught RangeError that terminates the Node.js process without triggering error handling callbacks.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-93435 updated cvss 7.5

node-redis-parser: node-redis-parser: Denial of Service via unbounded recursion in RESP protocol parser

  • Red Hat Connectivity Link 1 rhcl-1/rhcl-rhdh-dynamic-plugin-rhel9 Red Hat Developer Hub 1 rhdh/rhdh-hub-rhel9, rhdh/backstage-community-plugin-tech-radar-backend, rhdh/backstage-plugin-catalog-backend-module-gitlab, rhdh/backstage-plugin-catalog-backend-module-gitlab-org, rhdh/red-hat-developer-hub-backstage-plugin-lightspeed-backend, rhdh/red-hat-developer-hub-backstage-plugin-orchestrator-backend, +1 more Red Hat Developer Hub 2 rhdh/rhdh-hub-rhel10, rhdh/backstage-community-plugin-tech-radar-backend, rhdh/backstage-plugin-catalog-backend-module-gitlab, rhdh/backstage-plugin-catalog-backend-module-gitlab-org, rhdh/red-hat-developer-hub-backstage-plugin-homepage-backend, rhdh/red-hat-developer-hub-backstage-plugin-bulk-import-backend, +3 more Red Hat Self-service automation portal 2 ansible-automation-platform/automation-portal, ansible-automation-platform/bootc-automation-portal-rhel9
    affected: workaround, no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last mo.

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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

Inferred packages

No advisory lists a package for this vulnerability yet. The CVE names these as products and links their GitHub repository, and the package registry names the same repository, so they are probably the affected packages. Low confidence: the versions are the CVE’s own for the product, and a stack check reports the package as unchecked when there are none.

ecosystem package repository affected
npm redis-parser noderedis/node-redis-parser no versions given

Affected products

  • NodeRedis redis-parser

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.