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CVE-2026-45685 (GCVE-0-2026-45685)
Vulnerability from cvelistv5 – Published: 2026-06-02 15:25 – Updated: 2026-06-02 16:42| URL | Tags |
|---|---|
| https://github.com/open-telemetry/opentelemetry-e… | x_refsource_CONFIRM |
| https://github.com/open-telemetry/opentelemetry-e… | x_refsource_MISC |
| Vendor | Product | Version | |
|---|---|---|---|
| open-telemetry | opentelemetry-ebpf-instrumentation |
Affected:
>= 0.1.0, < 0.9.0
|
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FKIE_CVE-2026-45685
Vulnerability from fkie_nvd - Published: 2026-06-02 16:16 - Updated: 2026-06-17 10:52| Vendor | Product | Version | |
|---|---|---|---|
| opentelemetry | ebpf_instrumentation | * |
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GHSA-J8P6-96VP-F3R9
Vulnerability from github – Published: 2026-05-18 20:20 – Updated: 2026-06-09 10:58Summary
Malformed MongoDB wire messages can trigger uncaught panics in the MongoDB TCP parser, allowing a remote unauthenticated attacker to crash the telemetry agent and cause a denial of service. The parser operates on raw attacker-controlled network payloads before the input is fully validated, so a single crafted message can terminate telemetry collection for the affected process or node.
Details
MongoDB parsing support was introduced by commit 2070f568a (Add Initial support for mongodb), so the explicit released version minimum affected is v0.1.0.
There are two related panic conditions in released go.opentelemetry.io/obi versions:
- In
v0.1.0throughv0.3.0,parseOpMessagereads OP_MSG flag bits frombuf[msgHeaderSize:msgHeaderSize+int32Size]without first ensuring the buffer is at leastmsgHeaderSize + int32Sizebytes long. A truncated OP_MSG packet can therefore trigger a slice-bounds panic before the parser returns an error. - In
v0.1.0throughv0.3.0,parseSectionsconsumes the section type byte and then reads the document-sequence length frombuf[offSet:offSet+int32Size]without re-validating that enough bytes remain after the type byte. A malformed document-sequence section can therefore trigger another slice-bounds panic. - In
v0.1.0throughv0.8.0,parseFirstFieldassumes the collection name for collection-scoped commands is always a string and performs an unchecked type assertion onfield.Value. A malformed BSON document can therefore trigger a runtime panic withinterface conversioninstead of returning a parse error.
The bounds-check panic was fixed by commit 3aa58cdaaa97fbb72f8ef4c3609ae425aacaf8bb (Fix MongoDB client panic), which first appears in release v0.4.0. The unchecked BSON type assertion is still present in v0.8.0.
Because this code runs while decoding attacker-controlled MongoDB traffic, the failure mode is process termination rather than graceful rejection of invalid input. In deployments where the telemetry agent monitors traffic from untrusted or partially trusted clients, a single malformed packet can terminate collection until the agent is restarted.
Affected code paths are in pkg/ebpf/common/mongo_detect_transform.go and correspond to parseOpMessage, parseSections, and parseFirstField.
PoC
The following reproductions are fully self-contained. They create a temporary test file inside an affected checkout and then run go test against the real parser code in the repository.
- Reproduce the
v0.1.0throughv0.3.0bounds-check panics:
```bash git clone https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation.git obi-poc cd obi-poc git checkout v0.3.0
cat > pkg/ebpf/common/mongo_security_poc_test.go <<'EOF' package ebpfcommon
import "testing"
func TestSecurityPoCParseOpMessageShortPanics(t *testing.T) { parseOpMessage(make([]byte, 16), 0, false, nil) }
func TestSecurityPoCParseSectionsShortDocSequencePanics(t *testing.T) { parseSections([]byte{byte(sectionTypeDocumentSequence), 0x01, 0x02, 0x03}) } EOF
go test ./pkg/ebpf/common -run 'TestSecurityPoCParseOpMessageShortPanics|TestSecurityPoCParseSectionsShortDocSequencePanics' -count=1 ```
Expected result:
TestSecurityPoCParseOpMessageShortPanicspanics with a message similar toslice bounds out of range [:20] with capacity 16-
TestSecurityPoCParseSectionsShortDocSequencePanicspanics with a message similar toslice bounds out of range [:5] with capacity 4 -
Reproduce the
v0.1.0throughv0.8.0unchecked BSON type-assertion panic:
```bash git clone https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation.git obi-poc cd obi-poc git checkout v0.8.0
cat > pkg/ebpf/common/mongo_security_poc_test.go <<'EOF' package ebpfcommon
import ( "testing"
"go.mongodb.org/mongo-driver/v2/bson"
)
func TestSecurityPoCParseFirstFieldTypeAssertionPanics(t *testing.T) { parseFirstField(bson.E{Key: commFind, Value: int32(123)}) } EOF
go test ./pkg/ebpf/common -run TestSecurityPoCParseFirstFieldTypeAssertionPanics -count=1 ```
Expected result: panic with a message similar to interface conversion: interface {} is int32, not string.
Impact
This is a remote denial-of-service vulnerability in the MongoDB protocol parser. Any deployment that enables MongoDB parsing and processes attacker-controlled or malformed MongoDB traffic is impacted. Successful exploitation lets an unauthenticated attacker crash the telemetry agent by sending a crafted OP_MSG packet or malformed BSON document, causing loss of observability until the process is restarted.
{
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"ecosystem": "Go",
"name": "go.opentelemetry.io/obi"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-45685"
],
"database_specific": {
"cwe_ids": [
"CWE-20",
"CWE-248",
"CWE-704"
],
"github_reviewed": true,
"github_reviewed_at": "2026-05-18T20:20:03Z",
"nvd_published_at": "2026-06-02T16:16:43Z",
"severity": "HIGH"
},
"details": "### Summary\n\nMalformed MongoDB wire messages can trigger uncaught panics in the MongoDB TCP parser, allowing a remote unauthenticated attacker to crash the telemetry agent and cause a denial of service. The parser operates on raw attacker-controlled network payloads before the input is fully validated, so a single crafted message can terminate telemetry collection for the affected process or node.\n\n### Details\n\nMongoDB parsing support was introduced by commit `2070f568a` (`Add Initial support for mongodb`), so the explicit released version minimum affected is `v0.1.0`.\n\nThere are two related panic conditions in released `go.opentelemetry.io/obi` versions:\n\n- In `v0.1.0` through `v0.3.0`, `parseOpMessage` reads OP_MSG flag bits from `buf[msgHeaderSize:msgHeaderSize+int32Size]` without first ensuring the buffer is at least `msgHeaderSize + int32Size` bytes long. A truncated OP_MSG packet can therefore trigger a slice-bounds panic before the parser returns an error.\n- In `v0.1.0` through `v0.3.0`, `parseSections` consumes the section type byte and then reads the document-sequence length from `buf[offSet:offSet+int32Size]` without re-validating that enough bytes remain after the type byte. A malformed document-sequence section can therefore trigger another slice-bounds panic.\n- In `v0.1.0` through `v0.8.0`, `parseFirstField` assumes the collection name for collection-scoped commands is always a string and performs an unchecked type assertion on `field.Value`. A malformed BSON document can therefore trigger a runtime panic with `interface conversion` instead of returning a parse error.\n\nThe bounds-check panic was fixed by commit `3aa58cdaaa97fbb72f8ef4c3609ae425aacaf8bb` (`Fix MongoDB client panic`), which first appears in release `v0.4.0`. The unchecked BSON type assertion is still present in `v0.8.0`.\n\nBecause this code runs while decoding attacker-controlled MongoDB traffic, the failure mode is process termination rather than graceful rejection of invalid input. In deployments where the telemetry agent monitors traffic from untrusted or partially trusted clients, a single malformed packet can terminate collection until the agent is restarted.\n\nAffected code paths are in `pkg/ebpf/common/mongo_detect_transform.go` and correspond to `parseOpMessage`, `parseSections`, and `parseFirstField`.\n\n### PoC\n\nThe following reproductions are fully self-contained. They create a temporary test file inside an affected checkout and then run `go test` against the real parser code in the repository.\n\n1. Reproduce the `v0.1.0` through `v0.3.0` bounds-check panics:\n\n ```bash\n git clone https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation.git obi-poc\n cd obi-poc\n git checkout v0.3.0\n\n cat \u003e pkg/ebpf/common/mongo_security_poc_test.go \u003c\u003c\u0027EOF\u0027\n package ebpfcommon\n\n import \"testing\"\n\n func TestSecurityPoCParseOpMessageShortPanics(t *testing.T) {\n\t parseOpMessage(make([]byte, 16), 0, false, nil)\n }\n\n func TestSecurityPoCParseSectionsShortDocSequencePanics(t *testing.T) {\n\t parseSections([]byte{byte(sectionTypeDocumentSequence), 0x01, 0x02, 0x03})\n }\n EOF\n\n go test ./pkg/ebpf/common -run \u0027TestSecurityPoCParseOpMessageShortPanics|TestSecurityPoCParseSectionsShortDocSequencePanics\u0027 -count=1\n ```\n\n Expected result:\n\n - `TestSecurityPoCParseOpMessageShortPanics` panics with a message similar to `slice bounds out of range [:20] with capacity 16`\n - `TestSecurityPoCParseSectionsShortDocSequencePanics` panics with a message similar to `slice bounds out of range [:5] with capacity 4`\n\n1. Reproduce the `v0.1.0` through `v0.8.0` unchecked BSON type-assertion panic:\n\n ```bash\n git clone https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation.git obi-poc\n cd obi-poc\n git checkout v0.8.0\n\n cat \u003e pkg/ebpf/common/mongo_security_poc_test.go \u003c\u003c\u0027EOF\u0027\n package ebpfcommon\n\n import (\n\t \"testing\"\n\n\t \"go.mongodb.org/mongo-driver/v2/bson\"\n )\n\n func TestSecurityPoCParseFirstFieldTypeAssertionPanics(t *testing.T) {\n\t parseFirstField(bson.E{Key: commFind, Value: int32(123)})\n }\n EOF\n\n go test ./pkg/ebpf/common -run TestSecurityPoCParseFirstFieldTypeAssertionPanics -count=1\n ```\n\n Expected result: panic with a message similar to `interface conversion: interface {} is int32, not string`.\n\n### Impact\n\nThis is a remote denial-of-service vulnerability in the MongoDB protocol parser. Any deployment that enables MongoDB parsing and processes attacker-controlled or malformed MongoDB traffic is impacted. Successful exploitation lets an unauthenticated attacker crash the telemetry agent by sending a crafted OP_MSG packet or malformed BSON document, causing loss of observability until the process is restarted.",
"id": "GHSA-j8p6-96vp-f3r9",
"modified": "2026-06-09T10:58:53Z",
"published": "2026-05-18T20:20:03Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-j8p6-96vp-f3r9"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45685"
},
{
"type": "PACKAGE",
"url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation"
},
{
"type": "WEB",
"url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "OpenTelemetry eBPF Instrumentation: MongoDB parser panics on malformed wire messages"
}
OPENSUSE-SU-2026:21251-1
Vulnerability from csaf_opensuse - Published: 2026-07-07 17:00 - Updated: 2026-07-07 17:00| Product | Identifier | Version | Remediation |
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{
"document": {
"aggregate_severity": {
"namespace": "https://www.suse.com/support/security/rating/",
"text": "important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Security update for alloy",
"title": "Title of the patch"
},
{
"category": "description",
"text": "This update for alloy fixes the following issues:\n\nUpdate to version 1.17.0.\n\nSecurity issues fixed:\n\n- CVE-2026-25680: golang.org/x/net/html: parsing arbitrary HTML can consume excessive CPU time, possibly leading to\n denial of service (bsc#1267185).\n- CVE-2026-25681: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an\n unexpected HTML tree and allows for XSS (bsc#1267185).\n- CVE-2026-27136: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an\n unexpected HTML tree and allows for XSS (bsc#1267185).\n- CVE-2026-33532: yaml: parsing input with deeply nestes collections may throw a `RangeError` due to a stack overflow\n and cause to a denial of service (bsc#1260981).\n- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation\n bypass and privilege escalation (bsc#1266654).\n- CVE-2026-39827: golang.org/x/crypto/ssh: authenticated SSH clients that repeatedly open channels which were rejected\n by the server can cause unbounded memory growth and a crash (bsc#1266196).\n- CVE-2026-39828: golang.org/x/crypto/ssh: permissions discarded when an SSH server authentication callback returns\n `PartialSuccessError` with non-`nil` permissions (bsc#1266196).\n- CVE-2026-39829: golang.org/x/crypto/ssh: unenforced size limits on key parameters by the the RSA and DSA public key\n parsers can lead to excessive CPU consumption when processing a crafted public key (bsc#1266196).\n- CVE-2026-39830: golang.org/x/crypto/ssh: malicious SSH peers sending unsolicited global request responses can block a\n connection\u0027s read loop and cause a resource leak (bsc#1266196).\n- CVE-2026-39831: golang.org/x/crypto/ssh: missing `User Presence` flag checks in the `Verify()` method for FIDO/U2F\n security key types cause signatures generated without physical touch to be accepted (bsc#1266196).\n- CVE-2026-39832: golang.org/x/crypto/ssh: destination restrictions are silently stripped when forwarding keys and\n allow for unrestricted use of a key on a remote host (bsc#1266196).\n- CVE-2026-39833: golang.org/x/crypto/ssh: in-memory keyring returned by `NewKeyring()` silently accepts keys with the\n `ConfirmBeforeUse` constraint but never enforces it (bsc#1266196).\n- CVE-2026-39834: golang.org/x/crypto/ssh: writing data larger than 4GB in a single `Write` call on an SSH channel\n leads to an integer overflow and an infinite loop that sends empty packets (bsc#1266196).\n- CVE-2026-39835: golang.org/x/crypto/ssh: processing of certificates by SSH servers using `CertChecker` as a public\n key callback without setting `IsUserAuthority` or `IsHostAuthority` can lead to a panic (bsc#1266196).\n- CVE-2026-41889: github.com/jackc/pgx/v5/internal/sanitize: use placeholders in dollar-quoted string literals in an\n SQL query can lead to a SQL injection (bsc#1265440).\n- CVE-2026-42502: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an\n unexpected HTML tree and allows for XSS (bsc#1267185).\n- CVE-2026-42506: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an\n unexpected HTML tree and allows for XSS (bsc#1267185).\n- CVE-2026-42508: golang.org/x/crypto/ssh: revoked `SignatureKey`s belonging to a CA are not correctly checked for\n revocation (bsc#1266196).\n- CVE-2026-44740: github.com/go-git/go-billy/v5: improper input handling in many components can lead to DoS via\n infinite loops, panics or resource consumption (bsc#1267333).\n- CVE-2026-45678: go.opentelemetry.io/obi: Postgres BIND parsing can lead to a panic when malformed payloads are\n processed (bsc#1267481).\n- CVE-2026-45682: go.opentelemetry.io/obi: keys not deleted by `CappedConcurrentHashMap` after removals allows repeated\n connection churn to grow the queue without bound and exhaust heap memory (bsc#1267485).\n- CVE-2026-45685: go.opentelemetry.io/obi: MongoDB TCP parser panics on malformed wire messages and causes a DoS\n (bsc#1267488).\n- CVE-2026-45686: go.opentelemetry.io/obi: integer overflow in memcached text protocol parser can crash the OBI process\n and cause denial of service (bsc#1267489).\n- CVE-2026-46595: golang.org/x/crypto/ssh: source-address validation is skipped if any other type of callback is passed\n other than public key (bsc#1266196).\n- CVE-2026-46597: golang.org/x/crypto/ssh: incorrectly placed cast from bytes to int in the AES-GCM packet decoder when\n processing specially crafted input can lead to for server-side panic (bsc#1266196).\n- CVE-2026-46598: golang.org/x/crypto/ssh: `ed25519.PrivateKey` created by casting malformed wire bytes due to\n processing of certain crafted inputs can lead to panic when used (bsc#1266196).\n\nOther updates and bugfixes:\n\n- Version 1.17.0:\n * Features\n * Add GraphQL server and `gql` subcommand.\n * `otelcol`: 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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.