CVE-2023-26136 (GCVE-0-2023-26136)
Vulnerability from cvelistv5 – Published: 2023-07-01 05:00 – Updated: 2025-08-27 20:32
VLAI
EPSS
VEX
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1321 - Prototype Pollution
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | tough-cookie |
Affected:
0 , < 4.1.3
(semver)
|
Credits
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"redhat_vex": {
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"current_release_date": "2026-07-03T01:51:05+00:00",
"cve": "CVE-2023-26136",
"id": "CVE-2023-26136",
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"product_status:fixed": "383",
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"source": "Red Hat CSAF VEX",
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"title": "tough-cookie: prototype pollution in cookie memstore",
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"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://security.snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/salesforce/tough-cookie/issues/282\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/salesforce/tough-cookie/commit/12d474791bb856004e858fdb1c47b7608d09cf6e\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/salesforce/tough-cookie/releases/tag/v4.1.3\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/07/msg00010.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240621-0006/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T11:39:06.610Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-26136\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-01-09T20:37:58.003559Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-12-03T15:18:36.759Z\"}}], \"cna\": {\"credits\": [{\"lang\": \"en\", \"value\": \"Kokorin Vsevolod\"}], \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}}], \"affected\": [{\"vendor\": \"n/a\", \"product\": \"tough-cookie\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"4.1.3\", \"versionType\": \"semver\"}]}], \"references\": [{\"url\": \"https://security.snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873\"}, {\"url\": \"https://github.com/salesforce/tough-cookie/issues/282\"}, {\"url\": \"https://github.com/salesforce/tough-cookie/commit/12d474791bb856004e858fdb1c47b7608d09cf6e\"}, {\"url\": \"https://github.com/salesforce/tough-cookie/releases/tag/v4.1.3\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/07/msg00010.html\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240621-0006/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-1321\", \"description\": \"Prototype Pollution\"}]}], \"providerMetadata\": {\"orgId\": \"bae035ff-b466-4ff4-94d0-fc9efd9e1730\", \"shortName\": \"snyk\", \"dateUpdated\": \"2024-06-21T19:06:40.941Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-26136\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-27T20:32:53.151Z\", \"dateReserved\": \"2023-02-20T10:28:48.926Z\", \"assignerOrgId\": \"bae035ff-b466-4ff4-94d0-fc9efd9e1730\", \"datePublished\": \"2023-07-01T05:00:01.115Z\", \"assignerShortName\": \"snyk\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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