CVE-2022-23643

MEDIUM

Sourcegraph is a code search and navigation engine. Sourcegraph versions 3.35 and 3.36 reintroduced a previously fixed side-channel vulnerabilitity in the Code Monitoring feature where strings in p...

Affects 1 product across 1 vendor.

CVSS 3.16.5
EPSS0.8%
Percentile56th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, low privileges required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, no integrity impact, no availability impact.
CWE Weakness Definitions
CWE-200: Exposure of Sensitive Information

Application reveals restricted data such as system internals, credentials, or user data to unauthorized actors.

CWE-203: CWE-203
Related Attack Patterns (CAPEC)
CAPEC-13 Subverting Environment Variable Values
via CWE-200
CAPEC-59 Session Credential Falsification through Prediction
via CWE-200
CAPEC-60 Reusing Session IDs (aka Session Replay)
via CWE-200
CAPEC-79 Using Slashes in Alternate Encoding
via CWE-200
CAPEC-285 ICMP Echo Request Ping
via CWE-200
Show all 60

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

Sourcegraph versions 3.35 and 3.36 reintroduced a side-channel vulnerability in the Code Monitoring feature, allowing authenticated but unauthorized actors to guess strings in private source code.

BSID: BS-2022-GLOBAL-313555-M • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2022-23643?
Sourcegraph versions 3.35 and 3.36 reintroduced a side-channel vulnerability in the Code Monitoring feature, allowing authenticated but unauthorized actors to guess strings in private source code.
What is the CVSS score for CVE-2022-23643?
CVE-2022-23643 has CVSS 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS: 0.8%.
Is CVE-2022-23643 actively exploited?
No confirmed active exploitation of CVE-2022-23643 as of 2026-05-30.
How do I remediate CVE-2022-23643?
Priority: HIGH.
What systems are affected by CVE-2022-23643?
CVE-2022-23643 affects Sourcegraph Sourcegraph.
Vulnerability Details
CVE IDCVE-2022-23643
BSIDBS-2022-GLOBAL-313555-M BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published2022-02-15
Last Modified2024-11-21
ICS Relevance0%
Weakness (CWE)
Exposure of Sensitive InformationCWE-203
SourceNVD
Official Description

Sourcegraph is a code search and navigation engine. Sourcegraph versions 3.35 and 3.36 reintroduced a previously fixed side-channel vulnerabilitity in the Code Monitoring feature where strings in private source code could be guessed by an authenticated but unauthorized actor. This issue affects only the Code Monitoring feature, whereas CVE-2021-43823 also affected saved searches. A successful attack would require an authenticated bad actor to create many Code Monitors to receive confirmation that a specific string exists. This could allow an attacker to guess formatted tokens in source code, such as API keys. This issue was patched in versions 3.35.2 and 3.36.3 of Sourcegraph. Those who are unable to upgrade may disable the Code Monitor feature in their installation.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability exists in the Code Monitoring feature of Sourcegraph, where an attacker can exploit a side-channel to infer information about private source code strings by observing the timing or other responses from the system.

Exploitation Likelihood: MEDIUM

Affected Products
VendorProductAffected Versions
Sourcegraph Sourcegraph ≥ 3.35.0, < 3.35.2 ≥ 3.36.0, < 3.36.3
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1703 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash29641d0e5fafef73343cd3d9316f364b72a964514a6252520be6cbc93cffe87622799daaef607a29f7de5db94f16697d4561354ef1e5ef45aaf83a5e2aef57a0
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