CVE-2023-26136

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 2.5%, top 17% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 6.5Exploit: Elevated riskExposed: 0

A fix is available — apply it.

Versions of the package tough-cookie before 4.1.3 are vulnerable to Prototype Pollution due to improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode. This issue arises from the manner in which the objects are initialized.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
60(Attend)
EG Risk 60/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
3%
EPSS %ILE
84%
KEV
Not listed

Published

July 1, 2023

Last Modified

November 21, 2024

References (16)

Vendor Advisories for CVE-2023-26136(13)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(13)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatodf4/odf-multicluster-console-rhel9:v4.14.13-32025-01-15redhat
redhatodf4/odf-multicluster-console-rhel9:v4.15.9-12025-01-09redhat
redhatodf4/odf-multicluster-console-rhel9:v4.16.5-22025-01-08redhat
redhatodf4/odf-multicluster-console-rhel9:v4.17.0-532024-10-30redhat
redhatrhmtc/openshift-migration-ui-rhel8:v1.8.2-22023-11-15redhat
redhatopenshift4/ose-monitoring-plugin-rhel8:v4.14.0-202310201027.p0.g8757197.assembly.stream2023-10-31redhat
redhatopenshift-logging/logging-view-plugin-rhel8:v5.5.17-62023-10-24redhat
redhatopenshift-logging/logging-view-plugin-rhel8:v5.6.12-82023-10-20redhat
redhateap7-wildfly-elytron-0:1.15.20-1.Final_redhat_00001.1.el8eap2023-10-06redhat
redhateap7-wildfly-elytron-0:1.15.20-1.Final_redhat_00001.1.el9eap2023-10-06redhat
redhateap7-wildfly-elytron-0:1.15.20-1.Final_redhat_00001.1.el7eap2023-10-05redhat
redhattough-cookie2023-10-05redhat
redhatopenshift-logging/logging-view-plugin-rhel8:v5.7.3-62023-07-12redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(6 across 6 ecosystems)
Debian:10(1)
PackageVulnerable rangeFixed inDependents
node-tough-cookie2.3.4+dfsg-12.3.4+dfsg-1+deb10u1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
node-tough-cookie4.0.0-24.0.0-2+deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
node-tough-cookie4.0.0-24.0.0-2+deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
node-tough-cookie—4.1.3+~4.0.2-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
node-tough-cookie—4.1.3+~4.0.2-1—
npm(1)
PackageVulnerable rangeFixed inDependents
tough-cookie—4.1.3—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 147 total refreshes for this CVE.

  1. 2026-08-25 13:46 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-26136?
CVE-2023-26136 is a medium vulnerability published on July 1, 2023. Versions of the package tough-cookie before 4.1.3 are vulnerable to Prototype Pollution due to improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode. This issue arises from the manner in which the objects are initialized.
When was CVE-2023-26136 disclosed?
CVE-2023-26136 was first published in the National Vulnerability Database on July 1, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-26136 actively exploited?
CVE-2023-26136 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 16.2% of all scored CVEs.
What is the CVSS score of CVE-2023-26136?
CVE-2023-26136 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2023-26136?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26136, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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