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CVE-2026-33621

22
FAUCET Score

CVE-2026-33621 addresses incomplete request-throttling protections for auth-checkable endpoints in PinchTab versions v0.7.7 through v0.8.4. This medium-severity vulnerability (CVSS 4.8) allows an unauthenticated network attacker to potentially brute-force authentication tokens due to missing or bypassed rate limiting. While not a direct authentication bypass, it weakens defense-in-depth, particularly if a weak token is configured and the API is externally exposed, though the default deployment is local-first. There is currently no evidence of active exploitation, public exploit code, or significant community discussion regarding this vulnerability. The issue was fully resolved in PinchTab v0.8.5.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.7.7, < 0.8.5CPE matchmatch criteria
cpe:2.3:a:pinchtab:pinchtab:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 13th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 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
gopatch availablevia ghsa
Product: github.com/pinchtab/pinchtabFixed in: 0.8.5

Vendor Advisories (1)

goGHSA-j65m-hv65-r264medium

PinchTab: Unapplied Rate Limiting Middleware Allows Unbounded Brute-Force of API Token

Mar 24, 2026

References

github.com / pinchtab/pinchtab/commit/c619c43a4f29d1d1a481e859c193baf78e0d648b
Patch
github.com / pinchtab/pinchtab/releases/tag/v0.8.4
ProductRelease Notes
github.com / pinchtab/pinchtab/security/advisories/GHSA-j65m-hv65-r264
ExploitMitigationVendor Advisory