CVE-2026-81684

PYSEC-2026-3958 · CVE-2026-81684 · GHSA-rx2c-m92f-qv6p

Published Aug 27, 2026 · Modified Sep 10, 2026

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Description

In openssl_encrypt (pip package openssl-encrypt) versions <= 1.4.8, the desktop GUI passes the steganography password to the CLI child process on the command line via the --stego-password argument (on both encrypt and decrypt paths) instead of via an environment variable as done for the main password. Any local user can read the steganography password from /proc//cmdline for the lifetime of the subprocess. Fixed in 1.4.9.

References

ADVISORY https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-rx2c-m92f-qv6p
ADVISORY https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-information-disclosure-via-command-line

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CVE-2026-81684

Description

References

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