How severe is CVE-2023-31066?

CVE-2023-31066 has a CVSS score of 9.1/10, rated CRITICAL. Immediate patching is strongly recommended.

Which products are affected by CVE-2023-31066?

Affected package information for CVE-2023-31066 is not yet fully mapped. Check the official advisory links for details.

How do I patch CVE-2023-31066?

No patch has shipped for CVE-2023-31066 yet — track the apache inlong advisory for a fixed release and apply the workarounds below in the meantime.

How do I detect CVE-2023-31066 across my infrastructure?

Inventory every apache inlong deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

How do I mitigate CVE-2023-31066 if there is no patch (or I can't update yet)?

Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

How does O3 Security protect against CVE-2023-31066?

O3 detects and blocks CVE-2023-31066 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Is CVE-2023-31066 actively exploited in the wild?

No public exploit code has been indexed for CVE-2023-31066 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2023-31066?

CVE-2023-31066 has an EPSS (Exploit Prediction Scoring System) score of 1.4%, placing it in the 68th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2023-31066?

CVE-2023-31066 is classified as CWE-552 (CWE-552). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2023-31066?

CVE-2023-31066 affects apache inlong. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2023-31066 published, and has it been updated?

CVE-2023-31066 was published on May 22, 2023 and was last updated on June 17, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2023-31066: INLONG CWE-552 (Critical 9.1)

EPSS Exploitation Probability

via FIRST.org ↗

1.4%probability of exploitation in next 30 days

Lower Risk68th percentile+0.91%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Files or Directories Accessible to External Parties vulnerability in Apache Software Foundation Apache InLong.This issue affects Apache InLong: from 1.4.0 through 1.6.0. Different users in InLong could delete, edit, stop, and start others' sources! Users are advised to upgrade to Apache InLong's 1.7.0 or cherry-pick https://github.com/apache/inlong/pull/7775 https://github.com/apache/inlong/pull/7775 to solve it.

Affected Products

1 product · 1 configurations

Application

inlongapache

≥ 1.4.0 && ≤ 1.6.0

range

Detection & mitigation playbook

Vendor / appliance

Detect
Inventory every apache inlong deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.
Remediation status
No patch has shipped for CVE-2023-31066 yet — track the apache inlong advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.
How O3 protects you
O3 detects and blocks CVE-2023-31066 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2023-31066. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Files or Directories Accessible to External Parties vulnerability in Apache Software Foundation Apache InLong.This issue affects Apache InLong: from 1.4.0 through 1.6.0. Different users in InLong could delete, edit, stop, and start others' sources! Users are advised to upgrade to Apache InLong's 1.7.0 or cherry-pick https://github.com/apache/inlong/pull/7775 https://github.com/apache/inlong/pull/7775 to solve it.

O3 Security · Runtime Protection

Is CVE-2023-31066 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2023-31066 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.

Protect my workloads How runtime protection works

CVE-2023-31066

EPSS Exploitation Probability

Description

Affected Products

Detection & mitigation playbook

Detect

Remediation status

Mitigate without a patch

How O3 protects you

Frequently Asked Questions

Is CVE-2023-31066 being exploited in your environment?