CVE-2018-11798

The Apache Thrift Node.js static web server in versions 0.9.2 through 0.11.0 have been determined to contain a security vulnerability in which a remote user has the ability to access files outside the set webservers docroot path.

Published: 2019-01-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-11798 is rated Moderate Risk (62.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.88%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.47% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-11798

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.40% 4.88% +4.47%
2 2026-05-01 0.55% 0.40% -0.14%
3 2026-02-24 0.55%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-11798

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2018-11798

GitHub Security Advisory for CVE-2018-11798

GHSA-vx85-mj8c-4qm6 · Severity: medium · Ecosystem: maven — Apache Thrift Node.js static web server sandbox escape

OS Trackers for CVE-2018-11798

vendor priority summary link
debian unimportant CVE-2018-11798 unimportant priority: Debian including 1 source packages (thrift), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-11798
redhat high https://access.redhat.com/security/cve/CVE-2018-11798
ubuntu low CVE-2018-11798 low priority: Ubuntu including 1 source packages (thrift), 5 status rows across 5 suites (bionic, cosmic, trusty, upstream, xenial): DNE 4, released 1. https://ubuntu.com/security/CVE-2018-11798

Affected software / configurations for CVE-2018-11798

Vendor Product Version Raw CPE
apache thrift >= 0.9.2, <= 0.11.0 cpe:2.3:a:apache:thrift:*:*:*:*:*:node.js:*:*

References for CVE-2018-11798

cvelogic Threat Intelligence