joi before versions 17.13.8 and 18.2.9 contains a prototype pollution vulnerability in the messages compilation function that accepts __proto__ as an error code. Attackers can supply __proto__ keys in custom messages to replace the returned…
Exact source revision recorded 11 Nov 2026 17:03:48 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2026-76992
Publishedjoi before versions 17.13.8 and 18.2.9 contains a prototype pollution vulnerability in the messages compilation function that accepts __proto__ as an error code. Attackers can supply __proto__ keys in custom messages to replace the returned object's prototype, breaking downstream code relying on Object.prototype methods.
EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.
Original publisher date fields
datePublished: Sep 13, 2026, 10:45:42 AM
dateUpdated: Sep 24, 2026, 2:21:52 PM
3 related source bulletins · separate from aliases
RHSA-2026:67610: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
CVE-2026-90771
RHSA-2026:67573: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
CVE-2026-9029 · CVE-2026-10601 · CVE-2026-75838 · CVE-2026-90771
RHSA-2026:67605: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
CVE-2026-9029 · CVE-2026-10601 · CVE-2026-61709 · CVE-2026-90771
- Source published
- Sep 13, 2026, 10:45:42 AM (timezone not stated)
- Source modified
- Sep 24, 2026, 2:21:52 PM (timezone not stated)
- Observed here
- 11 Nov 2026 17:03:48 UTC
- Source terms
- ENISA EUVD · source terms and attribution apply
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.
EUVD CVSS 4.0 · 6.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N