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CVE-2026-48616· NVD / CVE Program· CNA hackerone

Rocket.Chat versions <8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, 7.13.9, 7.10.13 has an access control vulnerability in Livechat files.

Rocket.Chat versions <8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, 7.13.9, 7.10.13 has an access control vulnerability in Livechat files. Protected file downloads at /file-upload/:fileId/:name authorize livechat access using rc_room_type=l with rc_rid+rc_token, but the authorization path does not verify that rc_rid matches the requested file's rid. Furthermore, :fileId is predictable via sequential MongoDB IDs, and :name can be anything, allowing unauthenticated discovery of all uploaded files.

CriticalCVSS 9.3 · v3.0—No exploit Fix available
Published
Jun 17, 2026
Updated
Jun 18, 2026
EPSS
0.4% · 31th percentile
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Report tools

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Action score

37

Monitor

Low priority for now.

CVSS
37 / 40 · 9.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · hackerone
9.3
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
rocket.chatrocket.chat

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • rocket.chat rocket.chatbefore 7.10.13
  • rocket.chat rocket.chat7.13.0 and later · before 7.13.9
  • rocket.chat rocket.chat8.0.0 and later · before 8.0.7
  • rocket.chat rocket.chat8.1.0 and later · before 8.1.6
  • rocket.chat rocket.chat8.2.0 and later · before 8.2.6
  • rocket.chat rocket.chat8.3.0 and later · before 8.3.6
  • rocket.chat rocket.chat8.4.0 and later · before 8.4.4
  • rocket.chat rocket.chat8.5.0 and later · before 8.5.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (hackerone). Independent of NVD's CPE analysis and usually ahead of it.

  • Rocket.Chat Rocket.Chat

    • before 8.5.1affected · semver
    • before 8.4.4affected · semver
    • before 8.3.6affected · semver
    • before 8.2.6affected · semver
    • before 8.1.6affected · semver
    • before 8.0.7affected · semver
    • before 7.13.9affected · semver
    • before 7.10.13affected · semver

Same product

rocket.chat: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-22911A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that could lead to unauthenticated NoSQL injectio
    68This week
  • CVE-2021-22910A sanitization vulnerability exists in Rocket.Chat server versions <3.13.2, <3.12.4, <3.11.4 that allowed queries to an endpoint which could
    40Plan
  • CVE-2017-1000493Rocket.Chat Server version 0.59 and prior is vulnerable to a NoSQL injection leading to administrator account takeover
    40Plan
  • CVE-2026-58066Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did n
    39Monitor
  • CVE-2026-29198In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account t
    39Monitor
  • CVE-2023-28316A security vulnerability has been discovered in the implementation of 2FA on the rocket.chat platform, where other active sessions are not i
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Rocket.Chat Rocket.Chat7.10.13Vendor (CNA)
Rocket.Chat Rocket.Chat7.13.9Vendor (CNA)
Rocket.Chat Rocket.Chat8.0.7Vendor (CNA)
Rocket.Chat Rocket.Chat8.1.6Vendor (CNA)
Rocket.Chat Rocket.Chat8.2.6Vendor (CNA)
Rocket.Chat Rocket.Chat8.3.6Vendor (CNA)
Rocket.Chat Rocket.Chat8.4.4Vendor (CNA)
Rocket.Chat Rocket.Chat8.5.1Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-3299520 days apartThe Rocket.Chat DDP method autoTranslate.translateMessage in versions <8.5.0, <8.4.2, <8.3.4, <8.2.4, <8.1.5, <8.0.5, <7.13.8, and <7.10.12
    30Monitor
  • CVE-2026-3299429 days apartThe /api/v1/autotranslate.translateMessage endpoint in versions <8.5.0, <8.4.2, <8.3.4, <8.2.4, <8.1.5, <8.0.6, <7.13.8, and <7.10.12 allows
    21Monitor
  • CVE-2026-2919755 days apartIn versions <8.4.0, <8.3.2, <8.2.2, <8.1.3, <8.0.4, <7.13.6, <7.12.7, <7.11.7, and <7.10.10, the endpoints /api/apps/logs and /api/apps/:id/
    17Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-284 · Improper Access Control

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records