What is CVE-2026-43893?

CVE-2026-43893 is a high-severity vulnerability in Photostructure Exiftool-vendored.js, classified under Argument Injection. CVSS score: 8.2/10. Published 2026-05-11.

How severe is CVE-2026-43893?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2026-43893 known to be exploited?

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

Vulnerability in Photostructure Exiftool-vendored.js

CVE-2026-43893

exiftool-vendored provides cross-platform Node.js access to ExifTool. Prior to 35.19.0, exiftool-vendored starts ExifTool in -stay_open True -@ - mode, where arguments are read from stdin one per line. In affected versions, several caller-…

EPSS: 0.001 (33.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.

Affected products

Photostructure Exiftool-vendored.js — versions < 35.19.0

Weakness classification (CWE)

CWE-88 — Argument Injection

Public proof-of-concept exploits

Dobby153/CVE-2026-43893

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-43893?: CVE-2026-43893 is a high-severity vulnerability in Photostructure Exiftool-vendored.js, classified under Argument Injection. CVSS score: 8.2/10. Published 2026-05-11.
How severe is CVE-2026-43893?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2026-43893 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.