CVE-2026-115322: bytebase bytebase

Bytebase before 3.16.0 Authorization Bypass via Rollout Service Task Run Handlers

CVSS 5.3 MediumEPSS 0.0028 · 20th percentile

Published by the CVE Program (CNA: VulnCheck) at 22 Oct 2026, 10:57 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
bytebase	bytebase pkg:golang/github.com/bytebase/bytebase	affected before 3.16.0 semver unaffected 3.16.0 semver Other versions: unaffected

Identifiers

CVE-2026-115322

CNA

VulnCheck

Weakness (CWE)

CWE-639

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
4.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0028, the 20th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

22 Oct 2026, 10:57 UTC Confirmed by the CVE List
22 Oct 2026, 11:17 UTC Confirmed by NVD

Sources

References from the CNA

github.com/bytebase/bytebase/issues/19369 issue-tracking
github.com/bytebase/bytebase/pull/19554 patchissue-tracking
github.com/bytebase/bytebase/commit/bb553e8423b38c826cd7b1da5c7117080cc8705d patch
github.com/bytebase/bytebase/releases/tag/3.16.0 release-notes
github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/rollout_service.go#L505 technical-description
github.com/bytebase/bytebase product
www.vulncheck.com/advisories/bytebase-before-3.16.0-authorization-bypass-via-rollout-service-task-run-handlers third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.