Read the docs
TI-2023-24531 Aliases CVE-2023-45757GHSA-rjj3-fg8r-3rr5

Apache bRPC: The builtin service rpcz page has an XSS attack vulnerability

Priority LOW 30CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Security vulnerability in Apache bRPC <=1.6.0 on all platforms allows attackers to inject XSS code to the builtin rpcz page. An attacker that can send http request to bRPC server with rpcz enabled can inject arbitrary XSS code to the builtin rpcz page. Solution (choose one of three): 1. upgrade to bRPC > 1.6.0, download link: https://dist.apache.org/repos/dist/release/brpc/1.6.1/ 2. If you are using an old version of bRPC and hard to upgrade, you can apply this patch:  https://github.com/apache/brpc/pull/2411 3. disable rpcz feature

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01233 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache bRPC0.9.0 – 1.6.0—No fix listedCNA
  • Apache bRPC VendorApache Affected 0.9.0 – 1.6.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:brpc:*:*:*:*:*:*:*:*before 1.6.1VulnerableApache
  • cpe:2.3:a:apache:brpc:*:*:*:*:*:*:*:* Versions before 1.6.1 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-45757
  2. 2026-10-03 Alias added: GHSA-rjj3-fg8r-3rr5

References

  • TI-2025-37397 Apache bRPC: Remote command injection vulnerability in heap builtin service CVSS 3.1CRITICAL 9.8
  • TI-2023-14776 Apache bRPC: ServerOptions.pid_file may cause arbitrary code execution CVSS 3.1CRITICAL 9.8
  • TI-2025-37239 Apache bRPC: Stack Exhaustion via Unbounded Recursion in JSON Parser CVSS 3.1HIGH 7.5
  • TI-2025-34269 Apache bRPC: Redis Parser Remote Denial of Service CVSS 3.1HIGH 7.5
  • TI-2024-15499 Apache bRPC: HTTP request smuggling vulnerability CVSS 3.1HIGH 7.5

Sources