CVE-2026-102893
zulip zulip
- zulip zulip
- Critical
- CVSS 9.1
- EPSS 0.39%
- No fixed version listed
What to do
No fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| zulip zulip | < 12.2 | None listed |
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.1 (v4.0, scored by GitHub_M)
- EPSS
- 0.39% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 24, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: yes. Technical impact: total. As of Oct 15, 2026.
- Weakness
- CWE-287: Improper Authentication
- Vendor
- zulip, zulip
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.