8.5

CVE-2026-55108: kubevela Link Following

CVSS: 8.5v3.1HighDeferred
AliasesGHSA-fmgp-q6jx-gg3xGO-2026-6312
Published 28-08-2026Last modified 28-08-2026
Open JSON

Vulnerability summary

CVE-2026-55108 is a high (CVSS 8.5) Link Following vulnerability in kubevela. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.75%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2026:21812-1SUSE-SU-2026:23692-1SUSE-SU-2026:23712-1

Timeline

  1. 28-08-2026
    PublishedVulnerability first disclosed.
  2. 28-08-2026
    Last modifiedVulnerability information updated.

Description

KubeVela is an open source application delivery platform. Prior to 1.9.14, from 1.10.0-alpha.1 until 1.10.9, and from 1.11.0-alpha.1 until 1.11.0-alpha.4, the Terraform remote configuration loader in pkg/controller/utils/capability.go, GetTerraformConfigurationFromRemote, clones a repository supplied through a core.oam.dev/v1beta1 ComponentDefinition and follows repository-controlled variables.tf or main.tf symlinks. A user with permission to create or update ComponentDefinition objects can point variables.tf to /dev/zero through terraform.path, after which os.Stat and os.ReadFile follow the link and read an unbounded stream before ParseTerraformVariables or HCL parsing can reject the content. The read can exhaust memory, OOM-kill the cluster-wide vela-core controller, cause repeated Pod restarts, and pressure node memory when no effective container limit is configured. This issue is fixed in versions 1.9.14, 1.10.9, and 1.11.0-alpha.4.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.18 pp

From 0.57% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.75%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/oam-dev1 product
  • kubevela< 1.9.14 | ≥ 1.10.0-alpha.1, < 1.10.9 | ≥ 1.11.0-alpha.1, < 1.11.0-alpha.4
Kubevela1 product
  • kubevela< 1.9.14 | ≥ 1.10.0-alpha.1, < 1.10.9 | ≥ 1.11.0-alpha.1, < 1.11.0-alpha.4

2 vendors · 2 products

References

10 links