# OpenSIPS vulnerabilities

Source: https://junglewise.ai/threats/technologies/opensips  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/opensips.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in OpenSIPS: 0 in the last 7 days and 0 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-46334, was published on 5 August 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 9 (3 critical, 0 exploited in the wild)

## About OpenSIPS

An open-source SIP proxy server used for voice, video, and instant messaging applications.

## Latest OpenSIPS vulnerabilities

- [CVE-2026-46334: OpenSIPS SDP bandwidth-line parsing denial of service](https://junglewise.ai/threats/cve-2026-46334-opensips-sdp-bandwidth-line-parsing-denial-of-service) (info, published 5 Aug 2026)
- [CVE-2026-45809: OpenSIPS watcherinfo stack buffer overflow](https://junglewise.ai/threats/cve-2026-45809-opensips-watcherinfo-stack-buffer-overflow) (info, CVSS 7.5, published 5 Aug 2026)
- [CVE-2026-45705: OpenSIPS out-of-bounds read in multipart body parser](https://junglewise.ai/threats/cve-2026-45705-opensips-out-of-bounds-read-in-multipart-body-parser) (medium, CVSS 5.3, published 5 Aug 2026)
- [CVE-2026-45537: OpenSIPS construct_uri buffer overflow](https://junglewise.ai/threats/cve-2026-45537-opensips-construct-uri-buffer-overflow) (critical, CVSS 9.1, published 4 Aug 2026)
- [CVE-2026-45103: OpenSIPS integer overflow in TCP message framing](https://junglewise.ai/threats/cve-2026-45103-opensips-integer-overflow-in-tcp-message-framing) (high, CVSS 7.5, published 4 Aug 2026)
- [CVE-2026-45100: OpenSIPS buffer overflow in b64encode string transformation](https://junglewise.ai/threats/cve-2026-45100-opensips-buffer-overflow-in-b64encode-string-transformation) (critical, CVSS 9.1, published 4 Aug 2026)
- [CVE-2026-45084: OpenSIPS presence module denial of service in handle_publish](https://junglewise.ai/threats/cve-2026-45084-opensips-presence-module-denial-of-service-in-handle-publish) (info, CVSS 7.5, published 4 Aug 2026)
- [CVE-2026-45538: OpenSIPS stack buffer overflow in sip_to_json header parsing](https://junglewise.ai/threats/cve-2026-45538-opensips-stack-buffer-overflow-in-sip-to-json-header-parsing) (critical, CVSS 9.8, published 4 Aug 2026)
- [CVE-2026-25554: OpenSIPS SQL injection in auth_jwt module](https://junglewise.ai/threats/cve-2026-25554-opensips-sql-injection-in-auth-jwt-module) (medium, CVSS 6.5, published 25 Feb 2026)

## Most severe OpenSIPS vulnerabilities

- [CVE-2026-45538: OpenSIPS stack buffer overflow in sip_to_json header parsing](https://junglewise.ai/threats/cve-2026-45538-opensips-stack-buffer-overflow-in-sip-to-json-header-parsing) (critical, CVSS 9.8, published 4 Aug 2026)
- [CVE-2026-45100: OpenSIPS buffer overflow in b64encode string transformation](https://junglewise.ai/threats/cve-2026-45100-opensips-buffer-overflow-in-b64encode-string-transformation) (critical, CVSS 9.1, published 4 Aug 2026)
- [CVE-2026-45537: OpenSIPS construct_uri buffer overflow](https://junglewise.ai/threats/cve-2026-45537-opensips-construct-uri-buffer-overflow) (critical, CVSS 9.1, published 4 Aug 2026)
- [CVE-2026-45103: OpenSIPS integer overflow in TCP message framing](https://junglewise.ai/threats/cve-2026-45103-opensips-integer-overflow-in-tcp-message-framing) (high, CVSS 7.5, published 4 Aug 2026)
- [CVE-2026-25554: OpenSIPS SQL injection in auth_jwt module](https://junglewise.ai/threats/cve-2026-25554-opensips-sql-injection-in-auth-jwt-module) (medium, CVSS 6.5, published 25 Feb 2026)
- [CVE-2026-45705: OpenSIPS out-of-bounds read in multipart body parser](https://junglewise.ai/threats/cve-2026-45705-opensips-out-of-bounds-read-in-multipart-body-parser) (medium, CVSS 5.3, published 5 Aug 2026)
- [CVE-2026-45084: OpenSIPS presence module denial of service in handle_publish](https://junglewise.ai/threats/cve-2026-45084-opensips-presence-module-denial-of-service-in-handle-publish) (info, CVSS 7.5, published 4 Aug 2026)
- [CVE-2026-45809: OpenSIPS watcherinfo stack buffer overflow](https://junglewise.ai/threats/cve-2026-45809-opensips-watcherinfo-stack-buffer-overflow) (info, CVSS 7.5, published 5 Aug 2026)
- [CVE-2026-46334: OpenSIPS SDP bandwidth-line parsing denial of service](https://junglewise.ai/threats/cve-2026-46334-opensips-sdp-bandwidth-line-parsing-denial-of-service) (info, published 5 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "OpenSIPS vulnerabilities", https://junglewise.ai/threats/technologies/opensips, 9 November 2026.