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CVE-2023-30846

20
FAUCET Score

CVE-2023-30846 is a critical vulnerability affecting versions 1.7.3 and earlier of the Microsoft typed-rest-client library, which can lead to the unauthorized leakage of authentication data. Specifically, when using Basic, Bearer, or Personal Access Token credential handlers, a redirection to a third-party host will cause the client to inadvertently send authentication headers to the new, potentially malicious, destination. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity that can result in high confidentiality impact without requiring user interaction. There is currently no evidence of active exploitation, nor are there known public exploits or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.0CPE matchmatch criteria
cpe:2.3:a:microsoft:typed-rest-client:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 66th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

No media coverage found for this CVE.

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 (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: typed-rest-clientFixed in: 1.8.0

Vendor Advisories (1)

npmGHSA-558p-m34m-vpmqcritical

Potential leak of authentication data to 3rd parties

Apr 27, 2023

References

github.com / microsoft/typed-rest-client/commit/f9ff755631b982ee1303dfc3e3c823d0d31233e8
Patch
github.com / microsoft/typed-rest-client/security/advisories/GHSA-558p-m34m-vpmq
Vendor Advisory
security.netapp.com / advisory/ntap-20230601-0008