CVE-2026-56748CWE-61

CVE-2026-56748

High · published July 28, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
59.9
In the wild
Unconfirmed
What it is

Improper validation of symbolic links in the Pack Git import feature in Cribl Stream before 4.18.2 allows a remote authenticated attacker with Pack import and pipeline preview permissions to execute arbitrary code as the Cribl server process via a crafted Git repository containing a symbolic link in the pack's functions directory.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00919 · 59.9th percentile
Weakness
CWE-61 · UNIX Symbolic Link (Symlink) Following
Published
2026-07-28T00:16Z
Affected products (1)
ProductVersionsFixed in
cribl/cribl_stream< 4.18.24.18.2
References (2)
https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes · af879a92-7297-456a-bb0e-905ac6c64bdchttps://trust.cribl.io/notifications · af879a92-7297-456a-bb0e-905ac6c64bdc
EPSS history
Timeline
  • 27 JUL 19:27Z
    Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import
    cvelistv5