How severe is CVE-2018-11789?

CVE-2018-11789 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-11789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11789?

CVE-2018-11789 affects Apache Heron. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11789?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-11789 published?

CVE-2018-11789 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2018-11789

CVE-2018-11789 is a high-severity vulnerability in Apache Heron with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Apache Heron
Published: 2019-03-21
Last modified: 2026-06-17

Description

When accessing the heron-ui webpage, people can modify the file paths outside of the current container to access any file on the host. Example woule be modifying the parameter path= to go to the directory you would like to view. i.e. ..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd.

Frequently asked questions

What is CVE-2018-11789?: When accessing the heron-ui webpage, people can modify the file paths outside of the current container to access any file on the host. Example woule be modifying the parameter path= to go to the directory you would like to view. i.e. ..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd.
How severe is CVE-2018-11789?: CVE-2018-11789 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-11789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11789?: CVE-2018-11789 affects Apache Heron. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11789?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-11789 published?: CVE-2018-11789 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:heron:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Heron

CVE-2021-42010 — Critical (CVSS 9.8): Heron versions <= 0.20.4-incubating allows CRLF log injection because of the lack of escaping in the log statements.…
CVE-2020-1964 — Critical (CVSS 9.8): It was noticed that Apache Heron 0.20.2-incubating, Release 0.20.1-incubating, and Release v-0.20.0-incubating does not…

All CVEs affecting Apache Heron →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-76606 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Path Traversal via image element in Fabrik < 4.7.3 - ???.
CVE-2026-18051 — Critical (CVSS 10.0): The W3 Total Cache WordPress plugin before 2.10.5 does not properly validate the request path it uses to build cache…
CVE-2026-74764 — Critical (CVSS 10.0): Pandora contains a path traversal vulnerability in its TAR archive extraction functionality. When processing a…
CVE-2026-16940 — Critical (CVSS 10.0): The Custom Fields WordPress plugin before 1.5.1 does not validate a user-supplied file path before deletion, allowing…
CVE-2026-67429 — Critical (CVSS 10.0): Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, image.download and related…
CVE-2026-59555 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.3 versions.

Browse all CWE-22 (Path Traversal) vulnerabilities →