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CVE-2019-19899

28
FAUCET Score

CVE-2019-19899 is a critical vulnerability affecting Pebble Templates version 3.1.2, allowing attackers to bypass a security mechanism designed to restrict access to java.lang.Class instances. This bypass is possible due to the accessibility of the getClass method via the public static java.lang.Class.forName(java.lang.Module,java.lang.String) signature. With a CVSS score of 9.8 (Critical), this vulnerability has a network-based attack vector, low attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code in common repositories like Metasploit or ExploitDB, nor significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.2CPE matchmatch criteria
cpe:2.3:a:pebbletemplates:pebble_templates:3.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 53rd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: io.pebbletemplates:pebble-projectFixed in: 3.1.4

Vendor Advisories (1)

mavenGHSA-83m8-7hj8-ff5wcritical

Pebble Templates Improper Input Validation vulnerability

May 24, 2022

References

github.com / PebbleTemplates/pebble/issues/493
ExploitThird Party Advisory