Jervis has Deterministic AES IV Derivation from Passphrase
Vulnerability
Same passphrase + same plaintext = same ciphertext (IV reuse)
Impact
Severity is considered low for internal uses of this library but if there's any consumer using these methods directly then this is considered high.
Significant reduction in the security of the encryption scheme. Pattern analysis becomes possible.
Patches
Random IV will be generated and prepended to the ciphertext.
Upgrade to Jervis 2.2.
Workarounds
None
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | net.gleske:jervis | < 2.2 | 2.2 |
References
- https://github.com/samrocketman/jervis/security/advisories/GHSA-crxp-chh4-9ghp
- https://nvd.nist.gov/vuln/detail/CVE-2025-68701
- https://github.com/samrocketman/jervis/commit/c3981ff71de7b0f767dfe7b37a2372cb2a51974a
- https://github.com/samrocketman/jervis
- https://github.com/samrocketman/jervis/blob/157d2b63ffa5c4bb1d8ee2254950fd2231de2b05/src/main/groovy/net/gleske/jervis/tools/SecurityIO.groovy#L866-L874
- https://github.com/samrocketman/jervis/blob/157d2b63ffa5c4bb1d8ee2254950fd2231de2b05/src/main/groovy/net/gleske/jervis/tools/SecurityIO.groovy#L891-L900
- http://github.com/samrocketman/jervis/commit/c3981ff71de7b0f767dfe7b37a2372cb2a51974a
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-327- Platform
- Java / Kotlin (Maven)
- Package
net.gleske:jervis- Disclosed
- 13.01.2026
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-crxp-chh4-9ghp - CC BY 4.0
Vulnerability history: net.gleske:jervis
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 7
- First → latest
- 01.2026 01.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 6
- Medium 1
Disclosures per year
- 2026: 7
-
Jervis has Deterministic AES IV Derivation from Passphrase this entry
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