01 Record
CVE-2026-89060
Stolostron/multicluster-observability-addon: cross-namespace secret disclosure in multicluster-observability-addon via unvalidated configuration references
HighPUBLISHEDCNA: redhat
CNA base score7.7 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
02 Description
Stolostron/multicluster-observability-addon: cross-namespace secret disclosure in multicluster-observability-addon via unvalidated configuration references
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.47% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 40.7% of scored records. A rank, not a probability.
- NVD base score
- 7.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-21.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-11 04:22Z1 MO AGO
- Last updated
- 2026-09-21 11:22Z1 MO AGO
- Reserved
- 2026-09-10
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.7)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-551Incorrect Behavior Order: Authorization Before Parsing and CanonicalizationBase
- Data version
- 5.2
- Document digest
- bad6783c67f2480163e0b80dacdbc11e6571c2122348d5678220430fdd59ab98
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2026:67539https://access.redhat.com/errata/RHSA-2026:67539
- access.redhat.comRHSA-2026:67540https://access.redhat.com/errata/RHSA-2026:67540
- access.redhat.comRHSA-2026:67541https://access.redhat.com/errata/RHSA-2026:67541
- access.redhat.comRHSA-2026:67542https://access.redhat.com/errata/RHSA-2026:67542
- access.redhat.comRHSA-2026:67543https://access.redhat.com/errata/RHSA-2026:67543
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-89060
- bugzilla.redhat.comRHBZ#2531596https://bugzilla.redhat.com/show_bug.cgi?id=2531596
- github.comhttps://github.com/stolostron/multicluster-observability-addon/pull/644