What is CVE-2023-0609?

CVE-2023-0609 is a medium-severity vulnerability in Wallabag, classified under Improper Authorization. CVSS score: 4.3/10. Published 2023-02-01.

How severe is CVE-2023-0609?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-0609 known to be exploited?

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

Auth bypass in Wallabag

CVE-2023-0609

Improper Authorization in GitHub repository wallabag/wallabag prior to 2.5.3.

Published 2023-02-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Wallabag
Wallabag Wallabag/wallabag — versions unspecified

Weakness classification (CWE)

CWE-285 — Improper Authorization

Public proof-of-concept exploits

References

huntr.dev/bounties/3adef66f-fc86-4e6d-a540-2ffa59342ff0 (Exploit, Third Party Advisory)
github.com/wallabag/wallabag/commit/0f7460dbab9e29f4f7d2944aca20210f828b6abb (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-0609?: CVE-2023-0609 is a medium-severity vulnerability in Wallabag, classified under Improper Authorization. CVSS score: 4.3/10. Published 2023-02-01.
How severe is CVE-2023-0609?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-0609 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.