Vulnerability details
CVE-2026-49822
fission fission
Fission: Cross-namespace event leakage via KubernetesWatchTrigger allows persistent tenant surveillance
CVSS 3.1
7.7High
Official description
Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, a low-privilege developer who could create a KubernetesWatchTrigger (KWT) in their own namespace was able to establish a persistent surveillance channel over any other namespace. This issue has been patched in version 1.24.0.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.7High | 3.1 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| fission | fission | < 1.24.0 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://github.com/fission/fission/security/advisories/GHSA-gc3j-79f2-7vvw x_refsource_CONFIRM
- https://github.com/fission/fission/pull/3379 x_refsource_MISC
- https://github.com/fission/fission/releases/tag/v1.24.0 x_refsource_MISC
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Details
- Published
- 2026-06-10
- Last updated
- 2026-06-10
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
0.23%
Probability of exploitation in 30 days
14%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-284Improper Access Control
- CWE-862Missing Authorization