PatchSiren cyber security CVE debrief
CVE-2026-100893 Privoce CVE debrief
A vulnerability was determined in Privoce VoceChat Server up to 0.5.36. This vulnerability affects the function open_graph::fetch of the file src/api/resource.rs of the component open_graphic_parse Endpoint. Executing a manipulation of the argument url can lead to server-side request forgery. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
- Vendor
- Privoce
- Product
- VoceChat Server
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-28
- Original CVE updated
- 2026-09-28
- Advisory published
- 2026-09-28
- Advisory updated
- 2026-09-28
Who should care
Defenders responsible for Privoce VoceChat Server instances should assess exposure to the open_graphic_parse Endpoint and verify the presence of this vulnerability. They should prioritize verifying the presence of this vulnerability in their Privoce VoceChat Server instances and assess exposure to the open_graphic_parse Endpoint to prevent server-side request forgery attacks. Operators, platform administrators, vulnerability management teams, and security
Why it matters
Defenders should prioritize verifying the presence of this vulnerability in their Privoce VoceChat Server instances and assess exposure to the open_graphic_parse Endpoint to prevent server-side request forgery attacks.
- Verify server-side request forgery protections
- Assess exposure to the open_graphic_parse Endpoint
- Implement compensating controls for Privoce VoceChat Server instances
Technical summary
The vulnerability affects the function open_graph::fetch of the file src/api/resource.rs of the component open_graphic_parse Endpoint in Privoce VoceChat Server up to 0.5.36, allowing for server-side request forgery attacks. The attack can be launched remotely and has been publicly disclosed. Defenders should prioritize verifying the presence of this vulnerability in their Privoce VoceChat Server instances and assess exposure to the open_graphic_parse Endpoint to prevent server-side request forgery attacks. The CVE record and NVD entry provide details about the vulnerability.
Defensive priority
Defenders should prioritize verifying the presence of this vulnerability in their Privoce VoceChat Server instances and assess exposure to the open_graphic_parse Endpoint.
Recommended defensive actions
- Verify the presence of this vulnerability in Privoce VoceChat Server instances
- Assess exposure to the open_graphic_parse Endpoint
- Implement server-side request forgery protections
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record and NVD entry provide details about the vulnerability, including its description, CVSS score, and affected component. Defenders should verify the presence of this vulnerability in Privoce VoceChat Server instances and assess exposure to the open_graphic_parse Endpoint. The exploit has been publicly disclosed and may be utilized. Evidence is limited to CVE and NVD details.
Sources and references
Verified primary and authoritative sources
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CVE-2026-100893 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-100893
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-100893 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-100893
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://is.yuum.me/posts/2026-08-06-ssrf-vulnerability-in-vocechat-server-v0520/
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Source reference
Unverified legacy reference
URL: https://vuldb.com/cve/CVE-2026-100893
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Source reference
Unverified legacy reference
URL: https://vuldb.com/submit/917632
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Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/410843
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Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/410843/cti
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.