Sentry Next.js vulnerable to SSRF via Next.js SDK tunnel endpoint
Priority MEDIUM 43CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
sentry-javascript provides Sentry SDKs for JavaScript. An unsanitized input of Next.js SDK tunnel endpoint allows sending HTTP requests to arbitrary URLs and reflecting the response back to the user. This issue only affects users who have Next.js SDK tunneling feature enabled. The problem has been fixed in version 7.77.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00631 50th percentileScored 2026-11-07
Fix Fixed sentry-javascript (getsentry): 7.77.0@sentry/nextjs (npm): 7.77.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| getsentry | sentry-javascript | 7.26.0 to before 7.77.0 | 7.77.0 | Patch available | CNA |
| — | @sentry/nextjs (npm) | 7.26.0 to before 7.77.0 | 7.77.0 | Patch available | GHSA-2rmr-xw8m-22q9 |
- sentry-javascript Vendorgetsentry Affected 7.26.0 to before 7.77.0 Fixed in 7.77.0 Patch available CNA
- @sentry/nextjs (npm) Vendor— Affected 7.26.0 to before 7.77.0 Fixed in 7.77.0 Patch available GHSA-2rmr-xw8m-22q9
Remediation
- Fix · CNA sentry-javascript (getsentry) Fixed in 7.77.0
- Fix · GHSA-2rmr-xw8m-22q9 @sentry/nextjs (npm) Fixed in 7.77.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-46729
- 2026-10-03 Alias added: GHSA-2rmr-xw8m-22q9
- 2026-10-27 EPSS moved to the 50th–90th percentile
References
Patch 2
Advisory 2
More getsentry vulnerabilities
- TI-2026-21018 Sentry allows unauthorized access to event data across organizational boundaries CVSS 4.0MEDIUM 5.7
- TI-2026-30656 Sentry: Improper authentication on SAML SSO process allows user identity linking CVSS 3.1CRITICAL 9.8
- TI-2026-78982 Sentry-Javascript: Middleware Bypass when using Tunnel route CVSS 4.0CRITICAL 9.1
- TI-2025-16094 Improper authentication on SAML SSO process allows user impersonation in sentry CVSS 3.1CRITICAL 9.1
- TI-2026-21634 Sentry: Improper Authentication on SAML SSO process allows user identity linking CVSS 3.1CRITICAL 9.1
- TI-2026-37904 Sentry: Inefficient Regular Expression Complexity in sentry CVSS 3.1HIGH 7.5
Sources
- CVE-2023-46729 · CVE Program
- CVE-2023-46729 · NVD
- FIRST EPSS
- GHSA-2rmr-xw8m-22q9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences