Krill login-session tokens reuse their encryption nonce across restarts, so any user who can log in can forge an "admin" token
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NLnet Labs | Krill | affected |
|
No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nlnetlabs | Krill |
|
Vendor Solution
This issue is fixed in 0.16.1 and all later versions.
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.309% probability within 30 days)
| Link | Providers |
|---|---|
| https://www.nlnetlabs.nl/downloads/krill/CVE-2026-109140.txt |
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Nlnetlabs
Nlnetlabs krill |
|
| Vendors & Products |
Nlnetlabs
Nlnetlabs krill |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The vulnerability is that Krill encrypts every login-session token with a nonce built from a counter that is reset to 0 on every Krill restart, so the same (key, nonce) pair is used again after each restart. | |
| Title | Krill login-session tokens reuse their encryption nonce across restarts, so any user who can log in can forge an "admin" token | |
| Weaknesses | CWE-323 | |
| References |
| |
| Metrics |
cvssV3_1
|