SARA / Free Tools / CVE / CVE-2023-4456

CVE-2023-4456 — A flaw was found in openshift-logging LokiStack

A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.

CVSS
5.7 MEDIUM
EPSS
0.08% (top 75.90%)
CWE
CWE-1220
Published
2023-08-21T15:19:22.208Z
Last modified
2025-11-20T18:27:42.202Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

01What is this vulnerability?

A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.

02Affected products

VendorProductVersions
Red HatRHOL5.5-RHEL-8 — v0.1.0-327
Red HatRHOL5.6-RHEL-8 — v0.1.0-326
Red HatRHOL5.7-RHEL-8 — v0.1.0-325

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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