Common Weakness Enumeration
CWE-354
AllowedImproper Validation of Integrity Check Value
Abstraction: Base · Status: Draft
The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.
288 vulnerabilities reference this CWE, most recent first.
CVE-2026-85515 (GCVE-0-2026-85515)
Vulnerability from cvelistv5 – Published: 2026-10-03 08:05 – Updated: 2026-10-05 18:04
VLAI
EPSS
VEX
Title
OpenPGP message truncation not reported, bypassing the SEIPDv1 integrity check
Summary
In Bouncy Castle for Java before 1.86, a truncated OpenPGP encrypted message was accepted with no error reported, and on the SEIPD version 1 path with no integrity check performed at all. RFC 9580 sec. 13.7 permits an implementation to release the cleartext of the fully authenticated chunks when streaming but requires it to indicate a clear error as soon as the truncation is detected, and to report suspect integrity when it discovers malleable ciphertext. The truncation was detected and then discarded: when a message is truncated but the length field of the enclosing packet is left unchanged, BCPGInputStream.PartialInputStream raises an EOFException for the missing ciphertext, and BCPGInputStream.nextPacketTag() reports an EOFException as a clean end of message, so the packet stream above it stopped as though no packets remained. On the AEAD path (SEIPD version 2 and the version 5 AEAD packet), when the literal data packet ended on an AEAD chunk boundary and the consumer read in increments smaller than one chunk, the look-ahead for the packet after the literal triggered the truncated chunk read, so BcAEADUtil and JceAEADUtil never reached the trailing message tag of sec. 5.13.2 that authenticates the total plaintext length; the caller received the plaintext of the fully authenticated chunks, every packet following the literal was silently dropped, and no exception was raised, so a signed and encrypted message read back as a well-formed unsigned one. Every byte released on that path remained individually authenticated, making this a missing truncation error rather than a forgery, and it is a residual of CVE-2026-12817, which closed the same outcome for an attacker who corrects the outer packet length. On the SEIPD version 1 path the consequence was more serious: IntegrityProtectedInputStream verifies the modification detection code from close(), and reached close() only by closing itself when a read of it returned -1, which a truncated message never produces, so PGPEncryptedData.verify() never ran and the recipient was handed CFB-decrypted plaintext on which no integrity check of any kind had been performed. Measured on a message truncated into that shape, 136 distinct single-byte modifications of the ciphertext produced accepted, altered plaintext with no exception raised. Reachability is a property of the message rather than of attacker-supplied input: the AEAD shape held for 3 of 131 consecutive payload lengths measured, and the SEIPD version 1 shape for one payload length in sixteen, at a truncation offset that did not move with the payload length. The low-level API is unaffected, a caller that invokes PGPEncryptedData.verify() directly getting the check regardless, as are consumers reading in increments of a whole AEAD chunk or more. The AEAD decryption streams now re-throw such an EOFException as a plain IOException, which nextPacketTag() does not launder; OpenPGPMessageInputStream.close() now closes its layer's integrity-protected stream itself rather than relying on that stream having seen the end of its data; and IntegrityProtectedInputStream.close() was made idempotent, as java.io.Closeable requires, which that depends on, since the stream is genuinely closed twice on the ordinary path and PGPEncryptedData.verify() consumes the digest state behind it and cannot be run a second time. This issue also affects Bouncy Castle for Java LTS before 2.73.13, on the AEAD route only, as that edition does not ship the high-level OpenPGP API the SEIPDv1 route runs through. It also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.14 (1.0.X series), 2.0.14.1 (2.0.X series) and 2.1.14 (2.1.X series), on the AEAD route only, as those editions do not ship the high-level OpenPGP API.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:03 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9… | vendor-advisory |
| https://github.com/bcgit/bc-java/commit/ab7a235d1… | patch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Affected:
1.74 , < 1.86
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-LTS-JAVA |
Affected:
2.73.0 , < 2.73.13
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-FJA |
Affected:
1.0.7 , < 1.0.14
(maven)
Affected: 2.0.7 , < 2.0.14.1 (maven) Affected: 2.1.0 , < 2.1.14 (maven) |
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CVE-2026-84900 (GCVE-0-2026-84900)
Vulnerability from cvelistv5 – Published: 2026-10-05 20:28 – Updated: 2026-10-06 13:57
VLAI
EPSS
VEX
Title
HP ThinPro 8.1 SP10 and ThinPro 9 SP3 Security Updates
Summary
Previous versions of HP ThinPro (prior to HP ThinPro 8.1 SP10) could potentially contain security vulnerabilities. HP has released HP ThinPro 8.1 SP10, which includes updates to mitigate potential vulnerabilities.
Previous versions of HP ThinPro (prior to HP ThinPro 9 SP3) could potentially contain security vulnerabilities. HP has released HP ThinPro 9 SP3, which includes updates to mitigate potential vulnerabilities.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:57 UTC
CWE
- CWE-354 - Improper validation of integrity check value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://support.hp.com/us-en/document/ish_1573599… | vendor-advisory |
| https://support.hp.com/us-en/document/ish_1573609… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| HP Inc | ThinPro 8.1 |
Affected:
0 , < ThinPro 8.1 SP10
(custom)
|
|
| HP Inc | ThinPro 9 |
Affected:
0 , < ThinPro 9 SP3
(custom)
|
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CVE-2026-82549 (GCVE-0-2026-82549)
Vulnerability from cvelistv5 – Published: 2026-08-30 15:30 – Updated: 2026-08-31 16:17 X_Open Source
VLAI
EPSS
VEX
Title
Linux Foundation Magma SecurityModeComplete integrity check
Summary
A vulnerability was identified in Linux Foundation Magma 1.9.0. This affects an unknown function of the component SecurityModeComplete Handler. Such manipulation leads to improper validation of integrity check value. The attack may be launched remotely. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 16:17 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397065 | vdb-entry |
| https://vuldb.com/vuln/397065/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82549 | third-party-advisory |
| https://vuldb.com/submit/891574 | third-party-advisory |
| https://github.com/magma/magma/issues/16024 | exploitissue-tracking |
| https://www.linuxfoundation.org/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux Foundation | Magma |
Affected:
1.9.0
cpe:2.3:o:linux_foundation:magma:*:*:*:*:*:*:*:* |
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CVE-2026-76852 (GCVE-0-2026-76852)
Vulnerability from cvelistv5 – Published: 2026-09-15 21:57 – Updated: 2026-09-17 16:52
VLAI
EPSS
VEX
Title
Netcore NR268 1.7.121109 Forgeable Firmware Authenticity Check in mtd_write
Summary
Netcore NR268 firmware version 1.7.121109 has an improper integrity verification flaw in mtd_write allowing forged firmware authenticity checks. Attackers can exploit put_file.cgi and check_image_uuid.c to bypass firmware signature validation and load unauthorized firmware images.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 16:52 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/draw-ctf/netcore-router-public… | third-party-advisory |
| https://www.vulncheck.com/advisories/netcore-nr26… | third-party-advisory |
Date Public
2026-09-04 00:00
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CVE-2026-75803 (GCVE-0-2026-75803)
Vulnerability from cvelistv5 – Published: 2026-08-25 13:00 – Updated: 2026-09-01 18:23
VLAI
EPSS
VEX
Title
AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()
Summary
Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty
ciphertext can report success without verifying the supplied authentication
tag when the operation is finalized by calling the EVP_Cipher() function.
Impact summary: Applications calling EVP_Cipher() on an empty ciphertext and
expecting the call to check the AEAD tag may accept forged messages.
CWE: CWE-354 (Improper Validation of Integrity Check Value)
Description: The EVP_Cipher() API call for AEAD ciphers behaves like a one
shot encryption and decryption call. It also verifies the AEAD tag after the
decryption operation. However for AES-OCB and ChaCha20-Poly1305 ciphers
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return indicates a valid AEAD tag for these ciphers, even when that has not
truly been validated in this case.
FIPS impact: no
The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this CVE
as the affected algorithms are not FIPS approved and thus not implemented
in the FIPS module.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 18:22 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
6 references
Impacted products
Date Public
2026-08-25 15:57
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CVE-2026-75625 (GCVE-0-2026-75625)
Vulnerability from cvelistv5 – Published: 2026-08-18 17:56 – Updated: 2026-09-24 14:19
VLAI
EPSS
VEX
Title
Kraken Agents Peer-to-Peer Download Cache Poisoning via Digest Verification Bypass
Summary
Kraken agents fail to verify peer-to-peer downloaded blobs against their requested SHA-256 digest before committing to the content-addressable cache, relying only on CRC32 checksums for piece validation. Attackers on the agent-to-agent path or malicious peers can supply substituted content with forged CRC32 corrections that passes per-piece checks, poisoning the cache with attacker-chosen container image layers or manifests that are re-seeded and executed by other hosts.
Severity
9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 19:06 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/uber/kraken/issues/638 | issue-tracking |
| https://github.com/uber/kraken | product |
| https://github.com/uber/kraken/blob/master/lib/to… | technical-description |
| https://www.vulncheck.com/advisories/kraken-agent… | third-party-advisory |
Impacted products
Date Public
2026-06-21 00:00
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CVE-2026-73459 (GCVE-0-2026-73459)
Vulnerability from cvelistv5 – Published: 2026-09-15 23:16 – Updated: 2026-09-16 19:34
VLAI
EPSS
VEX
Title
Security Advisory 0160
Summary
On affected platforms running Arista EOS with IS-IS configured, an unauthenticated attacker who can inject a specially crafted IS-IS LSP PDU can cause the legitimate LSP to be unexpectedly purged from the IS-IS link-state database. This may result in traffic loss.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 19:34 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.arista.com/en/support/advisories-noti… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arista Networks | EOS |
Affected:
4.36.0 , ≤ 4.36.1F
(custom)
|
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CVE-2026-72929 (GCVE-0-2026-72929)
Vulnerability from cvelistv5 – Published: 2026-09-08 17:12 – Updated: 2026-10-14 23:07
VLAI
EPSS
VEX
Title
Windows Installer Elevation of Privilege Vulnerability
Summary
Improper validation of integrity check value in Windows Installer allows an authorized attacker to elevate privileges locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:24 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 11 version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7582
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7582
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.9445
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.9445
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2954
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33438
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33438
(custom)
|
Date Public
2026-09-08 14:00
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CVE-2026-71888 (GCVE-0-2026-71888)
Vulnerability from cvelistv5 – Published: 2026-10-03 08:36 – Updated: 2026-10-05 16:52
VLAI
EPSS
VEX
Title
CMS AuthenticatedData exposes attacker-inserted authAttrs when digestAlgorithm is absent
Summary
In Bouncy Castle for Java before 1.86, the streaming CMS AuthenticatedData parser accepted a message whose digestAlgorithm and authAttrs fields disagreed about whether authenticated attributes were present. RFC 5652 sec. 9.1 pairs the two, requiring that authAttrs be present whenever digestAlgorithm is, and sec. 9.2 makes the MAC cover the DER encoding of authAttrs when they are present and the eContent OCTET STRING directly when they are not. CMSAuthenticatedDataParser has to choose between those two in its constructor, before it can reach authAttrs, which comes later in the SEQUENCE, so it chose on digestAlgorithm alone: for a message with digestAlgorithm absent but authAttrs present it verified the content MAC and then returned the attributes through getAuthAttrs() as though they had been authenticated, when the MAC had never covered them. An attacker able to modify a message in transit could insert an authenticated attribute, such as an RFC 2634 ESSSecurityLabel, into an otherwise valid message while holding neither the key-encryption key nor the content-MAC key, and an application taking an authorization, routing or labelling decision from those attributes would act on attacker-chosen values. The content itself remained MAC-bound. asn1.cms.AuthenticatedData now rejects the mismatched pairing when parsing and CMSAuthenticatedDataParser cross-checks the two fields once authAttrs is read. This is a variant of CVE-2026-59642, which bound the content to the MAC for messages that legitimately carry authAttrs, and which does not address this case. This issue also affects Bouncy Castle for Java LTS before 2.73.13, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series), and bcutil-fips 2.0.8 (2.0.X series) and 2.1.8 (2.1.X series).
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 16:51 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9… | vendor-advisory |
| https://github.com/bcgit/bc-java/commit/dcb683b32… | patch |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Affected:
0 , < 1.86
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Affected:
1.70 , < 1.86
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-LTS-JAVA |
Affected:
2.73.0 , < 2.73.13
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-FJA |
Affected:
1.0.0 , < 1.0.13
(maven)
Affected: 2.0.0 , < 2.0.13 (maven) Affected: 2.1.0 , < 2.1.13 (maven) |
|
| Legion of the Bouncy Castle Inc. | BC-FJA |
Affected:
2.0.0 , < 2.0.8
(maven)
Affected: 2.1.0 , < 2.1.8 (maven) |
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CVE-2026-59642 (GCVE-0-2026-59642)
Vulnerability from cvelistv5 – Published: 2026-08-03 00:53 – Updated: 2026-08-03 13:27
VLAI
EPSS
VEX
Title
CMS AuthenticatedData content not bound to MAC when authAttrs present
Summary
In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 13:27 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9… | vendor-advisory |
| https://github.com/bcgit/bc-java/commit/2117f316a… | patch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Affected:
0 , < 1.85
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-LTS-JAVA |
Affected:
2.73.0 , < 2.73.12
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-FJA |
Affected:
1.0.0 , < 1.0.12
(maven)
Affected: 2.0.0 , < 2.0.12 (maven) Affected: 2.1.0 , < 2.1.12 (maven) |
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],
"source": {
"discovery": "UNKNOWN"
},
"title": "CMS AuthenticatedData content not bound to MAC when authAttrs present",
"x_generator": {
"engine": "bc release-notes template"
}
}
},
"cveMetadata": {
"assignerOrgId": "91579145-5d7b-4cc5-b925-a0262ff19630",
"assignerShortName": "bcorg",
"cveId": "CVE-2026-59642",
"datePublished": "2026-08-03T00:53:28.335Z",
"dateReserved": "2026-07-06T06:58:29.263Z",
"dateUpdated": "2026-08-03T13:27:19.619Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Implementation
Ensure that the checksums present in messages are properly checked in accordance with the protocol specification before they are parsed and used.
CAPEC-145: Checksum Spoofing
An adversary spoofs a checksum message for the purpose of making a payload appear to have a valid corresponding checksum. Checksums are used to verify message integrity. They consist of some value based on the value of the message they are protecting. Hash codes are a common checksum mechanism. Both the sender and recipient are able to compute the checksum based on the contents of the message. If the message contents change between the sender and recipient, the sender and recipient will compute different checksum values. Since the sender's checksum value is transmitted with the message, the recipient would know that a modification occurred. In checksum spoofing an adversary modifies the message body and then modifies the corresponding checksum so that the recipient's checksum calculation will match the checksum (created by the adversary) in the message. This would prevent the recipient from realizing that a change occurred.
CAPEC-463: Padding Oracle Crypto Attack
An adversary is able to efficiently decrypt data without knowing the decryption key if a target system leaks data on whether or not a padding error happened while decrypting the ciphertext. A target system that leaks this type of information becomes the padding oracle and an adversary is able to make use of that oracle to efficiently decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). In addition to performing decryption, an adversary is also able to produce valid ciphertexts (i.e., perform encryption) by using the padding oracle, all without knowing the encryption key.
CAPEC-75: Manipulating Writeable Configuration Files
Generally these are manually edited files that are not in the preview of the system administrators, any ability on the attackers' behalf to modify these files, for example in a CVS repository, gives unauthorized access directly to the application, the same as authorized users.