What is CVE-2022-2888?

CVE-2022-2888 is a medium-severity vulnerability in Octoprint, classified under Insufficient Session Expiration. CVSS score: 4.4/10. Published 2022-09-21.

How severe is CVE-2022-2888?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Octoprint

CVE-2022-2888

If an attacker comes into the possession of a victim's OctoPrint session cookie through whatever means, the attacker can use this cookie to authenticate as long as the victim's account exists.

Published 2022-09-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Octoprint
Octoprint Octoprint/octoprint — versions unspecified

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

huntr.dev/bounties/d27d232b-2578-4b32-b3b4-74aabdadf629 (Exploit, Patch, Third Party Advisory)
github.com/octoprint/octoprint/commit/40e6217ac1a85cc5ed592873ae49db01d3005da4 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-2888?: CVE-2022-2888 is a medium-severity vulnerability in Octoprint, classified under Insufficient Session Expiration. CVSS score: 4.4/10. Published 2022-09-21.
How severe is CVE-2022-2888?: Medium severity. CVSS v3 base score is 4.4 out of 10.