What is CVE-2023-2859?

CVE-2023-2859 is a high-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Code Injection. CVSS score: 8.8/10. Published 2023-05-24.

How severe is CVE-2023-2859?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-2859 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Nilsteampassnet Nilsteampassnet/teampass

CVE-2023-2859

Code Injection in GitHub repository nilsteampassnet/teampass prior to 3.0.9.

Vulnerability class: RCE (Remote Code Execution)

Published 2023-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Nilsteampassnet Nilsteampassnet/teampass — versions unspecified
Teampass

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

huntr.dev/bounties/d7b8ea75-c74a-4721-89bb-12e5c80fb0ba (Exploit, Patch, Third Party Advisory)
github.com/nilsteampassnet/teampass/commit/1f51482a0c4d152ca876844212b0f8f3cb93… (Patch)

Frequently asked questions

What is CVE-2023-2859?: CVE-2023-2859 is a high-severity vulnerability in Nilsteampassnet Nilsteampassnet/teampass, classified under Code Injection. CVSS score: 8.8/10. Published 2023-05-24.
How severe is CVE-2023-2859?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-2859 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.