Common Weakness Enumeration
CWE-617
AllowedReachable Assertion
Abstraction: Base · Status: Draft
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
449 vulnerabilities reference this CWE, most recent first.
CVE-2026-82059 (GCVE-0-2026-82059)
Vulnerability from cvelistv5 – Published: 2026-09-08 16:12 – Updated: 2026-09-08 17:59
VLAI
EPSS
VEX
Title
Improper Access Restriction of Internal Aggregation Expression in MongoDB Server Leads to Assertion Failure and Denial of Service
Summary
An internal aggregation expression in MongoDB Server was incorrectly registered as accessible to any authenticated user rather than being restricted to internal cluster operations. By crafting a malformed index specification within this expression, an authenticated user with read-only privileges could trigger an assertion failure in the index key generation code path. In certain build configurations, this assertion failure results in termination of the mongod process, causing a denial of service to all connected clients.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 17:59 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
mongodb
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB | MongoDB Server |
Affected:
8.3.0 , < 8.3.9
(semver)
Affected: 8.0.0 , < 8.0.30 (semver) Affected: 7.0.0 , < 7.0.41 (semver) |
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CVE-2026-82052 (GCVE-0-2026-82052)
Vulnerability from cvelistv5 – Published: 2026-09-08 16:12 – Updated: 2026-09-10 18:30
VLAI
EPSS
VEX
Title
$regexFindAll may crash mongod server when byte-matching multi-byte UTF-8 chars
Summary
The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod). Under certain specific conditions the regex match can start in the middle of a multi-code-unit character, triggering an assertion during query execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 17:55 UTC
CWE
- CWE-617 - Reachable assertion
Assigner
mongodb
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB | MongoDB Server |
Affected:
8.3.0 , < 8.3.9
(semver)
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CVE-2026-81038 (GCVE-0-2026-81038)
Vulnerability from cvelistv5 – Published: 2026-10-26 16:08 – Updated: 2026-11-04 05:01
VLAI
EPSS
VEX
Title
Bluetooth OTS server discloses uninitialized stack memory in failed Calculate Checksum responses
Summary
The Object Transfer Service server builds its Object Action Control Point (OACP) response indication in oacp_ind_send() (subsys/bluetooth/services/ots/ots_oacp.c). Before this fix the four-byte Checksum Value field was appended whenever the requested op code was BT_GATT_OTS_OACP_PROC_CHECKSUM_CALC, regardless of the result code. The response payload is a bare, uninitialized four-byte stack buffer declared with NET_BUF_SIMPLE_DEFINE(resp_param, sizeof(uint32_t)) in bt_gatt_ots_oacp_write(), and it is filled only on the success path of oacp_checksum_proc_validate(). On every failure path the buffer is still empty, so net_buf_simple_pull_le32() was invoked on a zero-length buffer.
The OACP characteristic and its client characteristic configuration descriptor are declared with BT_GATT_PERM_WRITE and BT_GATT_PERM_READ | BT_GATT_PERM_WRITE, so no pairing, encryption, or authentication is required. Any peer within radio range that can connect to a device running the OTS server can enable OACP indications and write a nine-byte Calculate Checksum command that fails validation — for example by issuing it with no object selected, which returns BT_GATT_OTS_OACP_RES_INV_OBJ. Because oacp_command_decode() accepts the Calculate Checksum op code unconditionally (it is not guarded by CONFIG_BT_OTS_OACP_CHECKSUM_SUPPORT), builds without checksum support are reachable too: they answer BT_GATT_OTS_OACP_RES_OPCODE_NOT_SUP and take the same bad path.
On builds with CONFIG_ASSERT enabled, the zero-length pull trips the assertion inside net_buf_simple_pull_mem() and panics the device, giving a remotely triggered denial of service. On builds with assertions disabled there is no check: the pull returns the untouched stack array and four bytes of uninitialized stack memory are copied into the indication and transmitted to the peer, repeatable on every request. The disclosure is bounded to four bytes per request and the write stays inside the seven-byte res indication buffer, so there is no memory corruption; the impact is uninitialized-memory disclosure plus an availability loss in assertion-enabled configurations.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 16:59 UTC
Assigner
zephyr
CNA
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject | zephyr |
Affected:
3.3.0 , < 4.3.2
(semver)
Affected: 4.4.0 , < 4.5.0 (semver) |
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CVE-2026-80274 (GCVE-0-2026-80274)
Vulnerability from cvelistv5 – Published: 2026-09-16 14:07 – Updated: 2026-09-17 17:37
VLAI
EPSS
VEX
Title
Validating resolver can abort while caching a mismatched NOQNAME proof
Summary
If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner name, it will trigger an unexpected program exit.
This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 17:37 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
isc
CNA
References
3 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2026-80274 | vendor-advisory |
| https://downloads.isc.org/isc/bind9/9.20.29 | patch |
| https://downloads.isc.org/isc/bind9/9.21.26 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ISC | BIND 9 |
Affected:
9.11.0 , ≤ 9.18.50
(custom)
Affected: 9.20.0 , ≤ 9.20.27 (custom) Affected: 9.21.0 , ≤ 9.21.25 (custom) Affected: 9.11.3-S1 , ≤ 9.18.50-S1 (custom) Affected: 9.20.9-S1 , ≤ 9.20.27-S1 (custom) cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* |
Date Public
2026-09-16 00:00
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CVE-2026-78186 (GCVE-0-2026-78186)
Vulnerability from cvelistv5 – Published: 2026-08-24 04:15 – Updated: 2026-08-24 14:00 X_Open Source
VLAI
EPSS
VEX
Title
Open5GS HSS hss-cx-path.c assertion
Summary
A flaw has been found in Open5GS up to 2.8.0. This affects an unknown function of the file src/hss/hss-cx-path.c of the component HSS. This manipulation of the argument User-Name causes reachable assertion. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4. It is recommended to apply a patch to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 13:59 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/394568 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/394568/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-78186 | third-party-advisory |
| https://vuldb.com/submit/885203 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4675 | exploitissue-tracking |
| https://github.com/open5gs/open5gs/commit/c9abe09… | patch |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
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CVE-2026-78048 (GCVE-0-2026-78048)
Vulnerability from cvelistv5 – Published: 2026-10-21 11:51 – Updated: 2026-10-30 16:49
VLAI
EPSS
VEX
Title
Apache bRPC: Remote Denial of Service via Out-of-Bounds Dynamic Table Sizing in HPACK Decoder
Summary
A reachable-assertion flaw in the HPACK header-compression decoder of the HTTP/2 (h2/gRPC) stack in Apache bRPC (version < 1.18.0) on all platforms allows a remote attacker to crash the server process by sending a crafted sequence of HPACK headers, resulting in a denial of service.
Root Cause:
In src/brpc/details/hpack.cpp, IndexTable::Init sizes the dynamic-table ring buffer as num_headers = max_size / (32 + 2), i.e. it assumes a minimum table entry of 34 bytes (name >= 1 byte + value >= 1 byte + 32 bytes of overhead). However, RFC 7541 section 4.1 specifies that the minimum entry size is 33 bytes, because the value may be empty (name >= 1 byte + value == 0 + 32 bytes). For the default 4096-byte table this allocates only 120 slots (4096/34). Eviction in AddHeader is driven by byte usage (_max_size), not by slot count, so a peer can add 121 minimal 33-byte entries (121*33 = 3993 <= 4096) without triggering eviction. The 121st AddHeader then hits CHECK(!_header_queue.full()), which aborts the process.
Affected Scenarios:
Use a bRPC server that serves HTTP/2 or gRPC requests (e.g. via the h2 protocol) from an untrusted network. The malicious header block is processed during HPACK decoding of incoming requests without authentication.
How to Fix:
(Choose one of the following options)
1. Upgrade bRPC to version 1.18.0, which fixes this issue.
2. Apply this patch: https://github.com/apache/brpc/pull/3462
Note:
The fix sizes the dynamic table for the 33-byte minimum entry (max_size / (32 + 1)) and ensures at least one ring-buffer slot is kept when max_size is smaller than the minimum entry, so that initialization cannot fail on malloc(0).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 16:48 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
apache
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2pf15ojj0vr7rtx95… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache bRPC |
Affected:
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CVE-2026-76926 (GCVE-0-2026-76926)
Vulnerability from cvelistv5 – Published: 2026-08-19 23:00 – Updated: 2026-08-20 15:26
VLAI
EPSS
VEX
Title
Reachable Assertion in Wireshark
Summary
BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:06 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
GitLab
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.6.0 , < 4.6.8
(semver)
Affected: 4.4.0 , < 4.4.18 (semver) |
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CVE-2026-76491 (GCVE-0-2026-76491)
Vulnerability from cvelistv5 – Published: 2026-10-21 16:17 – Updated: 2026-11-07 17:29
VLAI
EPSS
VEX
CVE Program bundle warning
The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE's "one vulnerability, one ID" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program's blog, "Preserving Vulnerability-Level Identification" linked below. Details within the CNA container below are viewable by clicking on the CNA name.
https://www.cve.org/Media/News/item/blog/2026/06/…Title
Cisco Expressway Series Software Hardening Release: October 2026 - Denial of Service Vulnerabilities
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-76491 are related to issues concerning reachable assertions that are grouped under the Common Weakness Enumeration (CWE) Base CWE-617.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 17:15 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
cisco
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco TelePresence Video Communication Server (VCS) Expressway |
Affected:
X8.11.2
Affected: X8.6 Affected: X8.11.3 Affected: X8.2.2 Affected: X8.8.3 Affected: X8.11.0 Affected: X12.5.2 Affected: X8.1.1 Affected: X8.9 Affected: X12.5.1 Affected: X12.5.6 Affected: X8.7.3 Affected: X12.6.0 Affected: X8.11.1 Affected: X8.5 Affected: X8.9.1 Affected: X8.10.2 Affected: X8.8.2 Affected: X8.5.3 Affected: X8.1 Affected: X8.9.2 Affected: X8.11.4 Affected: X12.5.4 Affected: X8.8.1 Affected: X8.2.1 Affected: X8.5.1 Affected: X8.6.1 Affected: X8.1.2 Affected: X8.8 Affected: X8.10.0 Affected: X12.5.3 Affected: X8.10.1 Affected: X12.5.7 Affected: X8.10.3 Affected: X8.7.1 Affected: X8.2 Affected: X12.5.8 Affected: X8.7 Affected: X8.5.2 Affected: X12.5.9 Affected: X12.5.0 Affected: X8.10.4 Affected: X8.7.2 Affected: X12.5.5 Affected: X12.6.1 Affected: X12.6.2 Affected: X12.6.3 Affected: X12.6.4 Affected: X12.7.0 Affected: X12.7.1 Affected: X14.0.0 Affected: X14.0.1 Affected: X14.0.2 Affected: X14.0.3 Affected: X14.0.4 Affected: X14.0.5 Affected: X14.0.6 Affected: X14.0.7 Affected: X14.0.8 Affected: X14.2.0 Affected: X14.0.9 Affected: X14.2.1 Affected: X14.2.2 Affected: X14.0.11 Affected: X14.2.5 Affected: X14.0.10 Affected: X14.2.6 Affected: X14.2.7 Affected: X14.3.0 Affected: X14.3.1 Affected: X14.3.2 Affected: X14.3.3 Affected: X15.0.0 Affected: X14.3.4 Affected: X14.3.5 Affected: X15.0.1 Affected: X15.0.2 Affected: X15.0.3 Affected: X14.3.6 Affected: X15.2.0 Affected: X15.2.1 Affected: X15.2.2 Affected: X15.2.3 Affected: X14.3.7 Affected: X15.2.4. Affected: X15.2.4 Affected: X15.3.0 Affected: X15.3.1 Affected: X15.3.2 Affected: X15.4.0 Affected: X15.5.0 Affected: X15.5.1 Affected: X15.5.2 Affected: X15.5.3 |
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CVE-2026-76163 (GCVE-0-2026-76163)
Vulnerability from cvelistv5 – Published: 2026-09-16 14:05 – Updated: 2026-09-17 17:38
VLAI
EPSS
VEX
Title
named aborts on a TKEY query when the user configuration has no global options statement
Summary
If BIND is loaded with a "`named.conf`" file that contains no global "`options`" block, an attacker can send a query of QTYPE TKEY which may cause an assertion failure and subsequent unexpected program exit.
This issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 17:37 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
isc
CNA
References
3 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2026-76163 | vendor-advisory |
| https://downloads.isc.org/isc/bind9/9.20.29 | patch |
| https://downloads.isc.org/isc/bind9/9.21.26 | patch |
Impacted products
Date Public
2026-09-16 00:00
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CVE-2026-75894 (GCVE-0-2026-75894)
Vulnerability from cvelistv5 – Published: 2026-09-18 18:52 – Updated: 2026-09-21 18:26
VLAI
EPSS
VEX
Title
Reachable assertion at ranap_handle_co_dt()
Summary
In osmo-iuh from 0.1.0 through 1.8.0 a reachable assertion was found in the ranap_handle_co_dt() function via a arbitrarily sized NAS-PDU that leads to process crash and remote denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 18:25 UTC
Assigner
redhat-cnalr
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://cgit.osmocom.org/osmo-iuh/commit/?id=f069… | patchmitigation |
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Mitigation
Implementation
Make sensitive open/close operation non reachable by directly user-controlled data (e.g. open/close resources)
Mitigation
Implementation
Strategy: Input Validation
Perform input validation on user data.
No CAPEC attack patterns related to this CWE.