CVE-2026-92604: Path Traversal (CVSS 8.1)

Description

Scirius through 3.8.0 contains an arbitrary file write vulnerability in the PCAP filestore upload endpoint that allows default User role users to write attacker-controlled JSON content to filesystem paths. Attackers can supply path traversal sequences in the uploaded document's _id field to escape the intended directory and write files with .json extension to arbitrary locations as root.

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CVSS v3.1 Score

8.1

HIGH

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

EPSS — Exploit Prediction

0.0058

Probability of exploitation

0.47%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://github.com/StamusNetworks/scirius https://github.com/StamusNetworks/scirius/blob/3bb49d383f4801b79e6356f9de9f25806afe0311/suricata/rest_api.py#L105-L113 https://github.com/geo-chen/oss/blob/main/scirius.md https://www.vulncheck.com/advisories/scirius-through-3.8.0-arbitrary-file-write-via-pcap-upload https://github.com/geo-chen/oss/blob/main/scirius.md

Frequently Asked Questions

What is CVE-2026-92604? +

Scirius through 3.8.0 contains an arbitrary file write vulnerability in the PCAP filestore upload endpoint that allows default User role users to write attacker-controlled JSON content to filesystem paths. Attackers can supply path traversal sequences in the uploaded document's _id field to escape the intended directory and write files with .json extension to arbitrary locations as root. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-92604? +

CVE-2026-92604 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0058, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-92604? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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