CVE-2018-1335 Command injection in org.apache.tika:tika-core

What is CVE-2018-1335?

CVE-2018-1335 is a high-severity command injection vulnerability in Apache Tika, published on 25 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

From Apache Tika versions 1.7 to 1.17, clients could send carefully crafted headers to tika-server that could be used to inject commands into the command line of the server running tika-server. This vulnerability only affects those running tika-server on a server that is open to untrusted clients. The mitigation is to upgrade to Tika 1.18.

Which versions are affected by CVE-2018-1335?

2 open source packages ship an affected version, including org.apache.tika:tika-core. It affects 1 product.

Products include Apache Tika.

How do I fix CVE-2018-1335?

Upgrade org.apache.tika:tika-core to 1.18 or later.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-1335 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-1335 exists.

Public exploit code: 1 Metasploit module, 2 Exploit-DB entries, 1 Nuclei template and 5 proofs of concept on GitHub.

Other vulnerabilities in Apache Tika

• CVE-2019-10088 Allocation of Resources Without Limits or Throttling in Apache Tika High 8.8
• CVE-2025-66516 Apache Tika has XXE vulnerability High 8.4
• CVE-2025-54988 Apache Tika PDF parser module: XXE vulnerability in PDFParser's handling of XFA High 8.4
• CVE-2019-10094 Allocation of Resources Without Limits or Throttling in Apache Tika High 7.8
• CVE-2016-4434 Apache Tika does not properly initialize the XML parser or choose handlers High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-1335, GHSA-9r24-gp44-h3pm, UBUNTU-CVE-2018-1335.