CVE-2023-26136: salesforce tough-cookie
Vulnerability summary
CVE-2023-26136 is a critical (CVSS 9.8) vulnerability in salesforce tough-cookie. EPSS estimates a 2.63% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities. 2 public exploits are recorded.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 01-07-2023PublishedVulnerability first disclosed.
- 27-08-2025Last modifiedVulnerability information updated.
Description
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 metrics
7 scores · 7 sources · 1 version- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:PDiffers
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:PDiffers
- OSV · NpmEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NDiffers
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:PDiffers
EPSS trend
Probability
2.63%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
Increase +0.09 pp
From 2.54% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundTough Cookie
Maturity: poc
Exploit Reference (security.snyk.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard15 products
- arangodb-3.11< 3.11.14.5-r22
- katib-earlystopping< 0.19.0-r31
- katib-suggestion-goptuna-compatAll versions (No fix recorded)
- katib-suggestion-hyperband< 0.19.0-r31
- katib-suggestion-hyperopt< 0.19.0-r40 | < 0.19.0-r31
Wolfi10 products
- katib-earlystopping< 0.19.0-r31
- katib-suggestion-goptuna-compatAll versions (No fix recorded)
- katib-suggestion-hyperband< 0.19.0-r31
- katib-suggestion-hyperopt< 0.19.0-r40 | < 0.19.0-r31
- katib-suggestion-nas-darts< 0.19.0-r31
Debian1 product
- node-tough-cookie< 2.3.4+dfsg-1+deb10u1 | < 4.0.0-2+deb12u1 | < 4.1.3+~4.0.2-1
Mageia1 product
- nodejs-tough-cookie< 2.3.4-5.1.mga9
Npm1 product
- tough-cookie< 4.1.3
Salesforce1 product
- tough-cookie< 4.1.3
Ubuntu1 product
- node-tough-cookieAll versions (No fix recorded)
7 vendors · 30 products
References
20 links- security.snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873REPORTWEBExploitTechnical DescriptionThird Party Advisory