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CVE-2019-16281

23
FAUCET Score

CVE-2019-16281 describes a critical API token validation vulnerability in Ptarmigan versions prior to 0.2.3, affecting ptarmigan_project ptarmigan. With a CVSS score of 7.5 HIGH, this flaw allows an unauthenticated attacker to achieve high integrity impact over a network with low attack complexity, as the system fails to properly validate API tokens. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.2.3CPE matchmatch criteria
cpe:2.3:a:ptarmigan_project:ptarmigan:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.26%
Probability of exploitation in next 30 days
EPSS Percentile
66.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0126 is in the 46th percentile among its peer group of 51,485 CVEs.

Social Chatter

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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / nayutaco/ptarmigan/commit/37fd8f9da3bab9d323ddd77f2fd20b6dde8bcf6c
PatchThird Party Advisory
github.com / nayutaco/ptarmigan/compare/v0.2.2...v0.2.3
PatchThird Party Advisory
github.com / nayutaco/ptarmigan/releases/tag/v0.2.3
Release NotesThird Party Advisory