Distribution advisory
This page covers CVE-2022-40896 as tracked by PyPI (Root.io), for the package pygments. The fix is available in version 2.12.0+aikido.3; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack vector: Local — a local account, shell or session on the host is needed.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Privileges required: None — an unauthenticated stranger can try it.
- User interaction: Required — someone has to click, open or visit something.
- Scope: Unchanged — the damage stays inside the vulnerable component.
- Confidentiality impact: None.
- Integrity impact: None.
- Availability impact: High — total loss, or loss the attacker controls.
Weakness class
ROOT-APP-PYPI-CVE-2022-40896 is classified as CWE-434: Unrestricted Upload of File with Dangerous Type. Uploads are accepted without restricting type, so an executable file can be placed where the server will run it.
Affected software
ROOT-APP-PYPI-CVE-2022-40896 is recorded against 2 packages.
- pygments (fixed in 2.12.0+aikido.3)
- rootio-pygments (fixed in 2.12.0+root.io.3)
Timeline and source
Published on 3 June 2026 and last revised on 4 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
Other advisories for this package
pygments has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-434: Unrestricted Upload of File with Dangerous Type) in other software:
